View Compilation Error

0_0_25841337_25205.cpp:3:1: error: 'll' does not name a type
 ll n;
 ^
0_0_25841337_25205.cpp: In function 'int main()':
0_0_25841337_25205.cpp:6:13: error: 'n' was not declared in this scope
  while(cin>>n)
             ^