View Compilation Error

0_0_14587906_7189.cpp: In function 'int main()':
0_0_14587906_7189.cpp:40:5: error: 'll' was not declared in this scope
     ll ans;
     ^
0_0_14587906_7189.cpp:58:13: error: 'ans' was not declared in this scope
             ans = 0;
             ^