foo.c: In function 'main':
foo.c:12:9: error: stray '\357' in program
  if(t==0）
         ^
foo.c:12:10: error: stray '\274' in program
  if(t==0）
          ^
foo.c:12:11: error: stray '\211' in program
  if(t==0）
           ^
foo.c:13:5: error: expected ')' before 'printf'
     printf("Yes");
     ^~~~~~
foo.c:16:1: error: expected expression before '}' token
 }
 ^
foo.c:6:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&a);
  ^~~~~~~~~~~~~~

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