foo.c: In function 'main':
foo.c:14:16: error: invalid suffix "；" on integer constant
   14 |   x1 = time1 % 100；
      |                ^~~~~
foo.c:14:21: error: expected ';' before 'y2'
   14 |   x1 = time1 % 100；
      |                     ^
      |                     ;
   15 |   y2 = time2 / 10000;
      |   ~~                 
foo.c:21:9: error: expected ';' before 'if'
   21 |     x1++
      |         ^
      |         ;
   22 |     if(x1 == month[m1])
      |     ~~   
foo.c:28:1: error: expected declaration or statement at end of input
   28 | }
      | ^
foo.c:18:7: warning: unused variable 'ans' [-Wunused-variable]
   18 |   int ans = 1;
      |       ^~~

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