/in/foo.cc:7:11: error: stray '\357' in program
  int y,m,d；
           ^
/in/foo.cc:7:12: error: stray '\274' in program
  int y,m,d；
            ^
/in/foo.cc:7:13: error: stray '\233' in program
  int y,m,d；
             ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:8:5: error: expected initializer before 'cin'
     cin>>y>>m>>d;
     ^~~
/in/foo.cc:11:9: error: 'd' was not declared in this scope
         d++;
         ^
/in/foo.cc:32:24: error: 'd' was not declared in this scope
  cout<<y<<'-'<<m<<'-'<<d;
                        ^