View Compilation Error

0_0_24439938_18621.cpp: In function 'int main()':
0_0_24439938_18621.cpp:74:21: error: 'cnta' was not declared in this scope
   for(int i = 0;i < cnta;i++){
                     ^
0_0_24439938_18621.cpp:75:22: error: 'cntb' was not declared in this scope
    for(int j = 0;j < cntb;j++){
                      ^