View Compilation Error

0_0_27613845_26227.cpp: In function 'void Modify(int, int, int)':
0_0_27613845_26227.cpp:47:11: error: a function-definition is not allowed here before '{' token
 int main(){
           ^
0_0_27613845_26227.cpp:73:1: error: expected '}' at end of input
 }
 ^