View Compilation Error

0_0_35390496_19173.cpp: In function 'void update(int, int)':
0_0_35390496_19173.cpp:53:8: error: expected initializer before '%' token
  int m %3
        ^
0_0_35390496_19173.cpp:53:9: error: expected '}' at end of input
  int m %3
         ^