View Compilation Error

0_0_17612126_13963.cpp: In function 'int check(int, int)':
0_0_17612126_13963.cpp:24:7: error: expected ';' at end of input
   sum%3
       ^
0_0_17612126_13963.cpp:24:7: error: expected '}' at end of input
0_0_17612126_13963.cpp:24:7: error: expected '}' at end of input
0_0_17612126_13963.cpp:24:7: error: expected '}' at end of input