View Compilation Error

0_0_37468305_26843.cpp: In function 'int main()':
0_0_37468305_26843.cpp:114:30: error: 'a' was not declared in this scope
  ios::sync_with_stdio(false);a
                              ^
0_0_37468305_26843.cpp:116:13: error: 'n' was not declared in this scope
  while(cin>>n){
             ^
0_0_37468305_26843.cpp:119:8: error: 'm' was not declared in this scope
   cin>>m;
        ^