View Compilation Error

0_0_39546465_13653.cpp: In function 'const char* sf(int)':
0_0_39546465_13653.cpp:15:8: error: expected ';' before 'if'
   15 | n=n%100
      |        ^
      |        ;
   16 |         if(n>=10&&n<=20) return "th";
      |         ~~