View Compilation Error

0_0_20503333_16251.cpp: In function 'int main()':
0_0_20503333_16251.cpp:20:7: error: 'll' was not declared in this scope
       ll ans = 0;
       ^
0_0_20503333_16251.cpp:23:12: error: 'ans' was not declared in this scope
            ans += (s[i] / 3);
            ^
0_0_20503333_16251.cpp:25:15: error: 'ans' was not declared in this scope
          else ans++;
               ^
0_0_20503333_16251.cpp:27:12: error: 'ans' was not declared in this scope
         if(ans & 1) cout << "First player wins." << endl;
            ^