/in/foo.c: In function 'main':
/in/foo.c:7:10: error: stray '\342' in program
   printf(“%d\n”,num);
          ^
/in/foo.c:7:11: error: stray '\200' in program
   printf(“%d\n”,num);
           ^
/in/foo.c:7:12: error: stray '\234' in program
   printf(“%d\n”,num);
            ^
/in/foo.c:7:13: error: expected expression before '%' token
   printf(“%d\n”,num);
             ^
/in/foo.c:7:15: error: stray '\' in program
   printf(“%d\n”,num);
               ^
/in/foo.c:7:17: error: stray '\342' in program
   printf(“%d\n”,num);
                 ^
/in/foo.c:7:18: error: stray '\200' in program
   printf(“%d\n”,num);
                  ^
/in/foo.c:7:19: error: stray '\235' in program
   printf(“%d\n”,num);
                   ^
/in/foo.c:6:7: warning: unused variable 'num' [-Wunused-variable]
   int num=num1+num2;
       ^~~