/in/foo.c: In function 'main':
/in/foo.c:6:8: warning: missing terminating " character
  scanf("%d,%d,%d,%x&y&z);
        ^
/in/foo.c:6:8: error: missing terminating " character
  scanf("%d,%d,%d,%x&y&z);
        ^~~~~~~~~~~~~~~~~~
/in/foo.c:8:2: error: expected expression before 'if'
  if(x<y)
  ^~
/in/foo.c:20:8: error: stray '\357' in program
  if(y<z）
        ^
/in/foo.c:20:9: error: stray '\274' in program
  if(y<z）
         ^
/in/foo.c:20:10: error: stray '\211' in program
  if(y<z）
          ^
/in/foo.c:29:1: error: expected declaration or statement at end of input
 }
 ^
/in/foo.c:5:15: warning: unused variable 't' [-Wunused-variable]
     int x,y,z,t;
               ^
/in/foo.c:5:13: warning: unused variable 'z' [-Wunused-variable]
     int x,y,z,t;
             ^
/in/foo.c:5:11: warning: unused variable 'y' [-Wunused-variable]
     int x,y,z,t;
           ^
/in/foo.c:5:9: warning: unused variable 'x' [-Wunused-variable]
     int x,y,z,t;
         ^