/in/foo.c: In function 'main':
/in/foo.c:6:23: error: expected ';' before 'for'
    6 |         scanf("%d",&n)
      |                       ^
      |                       ;
    7 |         for(i=2;i<=n-1;i++);
      |         ~~~            
/in/foo.c:10:48: error: expected ';' before 'return'
   10 |                 printf("%d is not a primer!",n)
      |                                                ^
      |                                                ;
   11 |                 return 0
      |                 ~~~~~~                          
/in/foo.c:13:36: error: expected ';' at end of input
   13 |         printf("%d is a primer!",n)
      |                                    ^
      |                                    ;
/in/foo.c:13:9: error: expected declaration or statement at end of input
   13 |         printf("%d is a primer!",n)
      |         ^~~~~~