View Compilation Error

0_0_37775668_31753.cpp: In function 'int main()':
0_0_37775668_31753.cpp:43:13: error: 'll' was not declared in this scope
             ll x;
             ^
0_0_37775668_31753.cpp:44:18: error: 'x' was not declared in this scope
             cin>>x;
                  ^