View Compilation Error

0_0_33787408_22083.cpp:64:16: error: expected identifier before '%' token
 void rot(int x,%2
                ^
0_0_33787408_22083.cpp:64:16: error: expected ',' or '...' before '%' token
0_0_33787408_22083.cpp:64:17: error: expected ')' at end of input
 void rot(int x,%2
                 ^
0_0_33787408_22083.cpp:64:17: error: expected initializer at end of input