/in/foo.cc:21:1: error: stray '\302' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
 ^
/in/foo.cc:21:2: error: stray '\240' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
  ^
/in/foo.cc:21:3: error: stray '\302' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
   ^
/in/foo.cc:21:4: error: stray '\240' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
    ^
/in/foo.cc:21:5: error: stray '\302' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
     ^
/in/foo.cc:21:6: error: stray '\240' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
      ^
/in/foo.cc:21:7: error: stray '\302' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
       ^
/in/foo.cc:21:8: error: stray '\240' in program
     scanf("%d %d %d %d",&n,&m,&a,&b);
        ^
/in/foo.cc:23:1: error: stray '\302' in program
     for (int i=1;i<=n;i++)
 ^
/in/foo.cc:23:2: error: stray '\240' in program
     for (int i=1;i<=n;i++)
  ^
/in/foo.cc:23:3: error: stray '\302' in program
     for (int i=1;i<=n;i++)
   ^
/in/foo.cc:23:4: error: stray '\240' in program
     for (int i=1;i<=n;i++)
    ^
/in/foo.cc:23:5: error: stray '\302' in program
     for (int i=1;i<=n;i++)
     ^
/in/foo.cc:23:6: error: stray '\240' in program
     for (int i=1;i<=n;i++)
      ^
/in/foo.cc:23:7: error: stray '\302' in program
     for (int i=1;i<=n;i++)
       ^
/in/foo.cc:23:8: error: stray '\240' in program
     for (int i=1;i<=n;i++)
        ^
/in/foo.cc:25:1: error: stray '\302' in program
     {
 ^
/in/foo.cc:25:2: error: stray '\240' in program
     {
  ^
/in/foo.cc:25:3: error: stray '\302' in program
     {
   ^
/in/foo.cc:25:4: error: stray '\240' in program
     {
    ^
/in/foo.cc:25:5: error: stray '\302' in program
     {
     ^
/in/foo.cc:25:6: error: stray '\240' in program
     {
      ^
/in/foo.cc:25:7: error: stray '\302' in program
     {
       ^
/in/foo.cc:25:8: error: stray '\240' in program
     {
        ^
/in/foo.cc:27:1: error: stray '\302' in program
       int ss=0;
 ^
/in/foo.cc:27:2: error: stray '\240' in program
       int ss=0;
  ^
/in/foo.cc:27:3: error: stray '\302' in program
       int ss=0;
   ^
/in/foo.cc:27:4: error: stray '\240' in program
       int ss=0;
    ^
/in/foo.cc:27:5: error: stray '\302' in program
       int ss=0;
     ^
/in/foo.cc:27:6: error: stray '\240' in program
       int ss=0;
      ^
/in/foo.cc:27:7: error: stray '\302' in program
       int ss=0;
       ^
/in/foo.cc:27:8: error: stray '\240' in program
       int ss=0;
        ^
/in/foo.cc:27:9: error: stray '\302' in program
       int ss=0;
         ^
/in/foo.cc:27:10: error: stray '\240' in program
       int ss=0;
          ^
/in/foo.cc:27:11: error: stray '\302' in program
       int ss=0;
           ^
/in/foo.cc:27:12: error: stray '\240' in program
       int ss=0;
            ^
/in/foo.cc:29:1: error: stray '\302' in program
       scanf("%s",s+1);
 ^
/in/foo.cc:29:2: error: stray '\240' in program
       scanf("%s",s+1);
  ^
/in/foo.cc:29:3: error: stray '\302' in program
       scanf("%s",s+1);
   ^
/in/foo.cc:29:4: error: stray '\240' in program
       scanf("%s",s+1);
    ^
/in/foo.cc:29:5: error: stray '\302' in program
       scanf("%s",s+1);
     ^
/in/foo.cc:29:6: error: stray '\240' in program
       scanf("%s",s+1);
      ^
/in/foo.cc:29:7: error: stray '\302' in program
       scanf("%s",s+1);
       ^
/in/foo.cc:29:8: error: stray '\240' in program
       scanf("%s",s+1);
        ^
/in/foo.cc:29:9: error: stray '\302' in program
       scanf("%s",s+1);
         ^
/in/foo.cc:29:10: error: stray '\240' in program
       scanf("%s",s+1);
          ^
/in/foo.cc:29:11: error: stray '\302' in program
       scanf("%s",s+1);
           ^
/in/foo.cc:29:12: error: stray '\240' in program
       scanf("%s",s+1);
            ^
/in/foo.cc:31:1: error: stray '\302' in program
       for (int j=1;j<=m;j++)
 ^
/in/foo.cc:31:2: error: stray '\240' in program
       for (int j=1;j<=m;j++)
  ^
/in/foo.cc:31:3: error: stray '\302' in program
       for (int j=1;j<=m;j++)
   ^
/in/foo.cc:31:4: error: stray '\240' in program
       for (int j=1;j<=m;j++)
    ^
/in/foo.cc:31:5: error: stray '\302' in program
       for (int j=1;j<=m;j++)
     ^
/in/foo.cc:31:6: error: stray '\240' in program
       for (int j=1;j<=m;j++)
      ^
/in/foo.cc:31:7: error: stray '\302' in program
       for (int j=1;j<=m;j++)
       ^
/in/foo.cc:31:8: error: stray '\240' in program
       for (int j=1;j<=m;j++)
        ^
/in/foo.cc:31:9: error: stray '\302' in program
       for (int j=1;j<=m;j++)
         ^
/in/foo.cc:31:10: error: stray '\240' in program
       for (int j=1;j<=m;j++)
          ^
/in/foo.cc:31:11: error: stray '\302' in program
       for (int j=1;j<=m;j++)
           ^
/in/foo.cc:31:12: error: stray '\240' in program
       for (int j=1;j<=m;j++)
            ^
/in/foo.cc:33:1: error: stray '\302' in program
       {
 ^
/in/foo.cc:33:2: error: stray '\240' in program
       {
  ^
/in/foo.cc:33:3: error: stray '\302' in program
       {
   ^
/in/foo.cc:33:4: error: stray '\240' in program
       {
    ^
/in/foo.cc:33:5: error: stray '\302' in program
       {
     ^
/in/foo.cc:33:6: error: stray '\240' in program
       {
      ^
/in/foo.cc:33:7: error: stray '\302' in program
       {
       ^
/in/foo.cc:33:8: error: stray '\240' in program
       {
        ^
/in/foo.cc:33:9: error: stray '\302' in program
       {
         ^
/in/foo.cc:33:10: error: stray '\240' in program
       {
          ^
/in/foo.cc:33:11: error: stray '\302' in program
       {
           ^
/in/foo.cc:33:12: error: stray '\240' in program
       {
            ^
/in/foo.cc:35:1: error: stray '\302' in program
         now[i][j]=s[j]-'0';
 ^
/in/foo.cc:35:2: error: stray '\240' in program
         now[i][j]=s[j]-'0';
  ^
/in/foo.cc:35:3: error: stray '\302' in program
         now[i][j]=s[j]-'0';
   ^
/in/foo.cc:35:4: error: stray '\240' in program
         now[i][j]=s[j]-'0';
    ^
/in/foo.cc:35:5: error: stray '\302' in program
         now[i][j]=s[j]-'0';
     ^
/in/foo.cc:35:6: error: stray '\240' in program
         now[i][j]=s[j]-'0';
      ^
/in/foo.cc:35:7: error: stray '\302' in program
         now[i][j]=s[j]-'0';
       ^
/in/foo.cc:35:8: error: stray '\240' in program
         now[i][j]=s[j]-'0';
        ^
/in/foo.cc:35:9: error: stray '\302' in program
         now[i][j]=s[j]-'0';
         ^
/in/foo.cc:35:10: error: stray '\240' in program
         now[i][j]=s[j]-'0';
          ^
/in/foo.cc:35:11: error: stray '\302' in program
         now[i][j]=s[j]-'0';
           ^
/in/foo.cc:35:12: error: stray '\240' in program
         now[i][j]=s[j]-'0';
            ^
/in/foo.cc:35:13: error: stray '\302' in program
         now[i][j]=s[j]-'0';
             ^
/in/foo.cc:35:14: error: stray '\240' in program
         now[i][j]=s[j]-'0';
              ^
/in/foo.cc:35:15: error: stray '\302' in program
         now[i][j]=s[j]-'0';
               ^
/in/foo.cc:35:16: error: stray '\240' in program
         now[i][j]=s[j]-'0';
                ^
/in/foo.cc:37:1: error: stray '\302' in program
         ss+=now[i][j];
 ^
/in/foo.cc:37:2: error: stray '\240' in program
         ss+=now[i][j];
  ^
/in/foo.cc:37:3: error: stray '\302' in program
         ss+=now[i][j];
   ^
/in/foo.cc:37:4: error: stray '\240' in program
         ss+=now[i][j];
    ^
/in/foo.cc:37:5: error: stray '\302' in program
         ss+=now[i][j];
     ^
/in/foo.cc:37:6: error: stray '\240' in program
         ss+=now[i][j];
      ^
/in/foo.cc:37:7: error: stray '\302' in program
         ss+=now[i][j];