View Compilation Error

0_0_33880766_24569.cpp: In function 'int main()':
0_0_33880766_24569.cpp:8:3: error: 'll' was not declared in this scope
   ll n;
   ^
0_0_33880766_24569.cpp:9:8: error: 'n' was not declared in this scope
   cin>>n;
        ^