Run id: 151515

Main.cc: In function 'int main()':
Main.cc:3:2: error: 'longlong' was not declared in this scope
  longlong n;
  ^
Main.cc:4:2: error: 'cin' was not declared in this scope
  cin>>n;
  ^
Main.cc:4:7: error: 'n' was not declared in this scope
  cin>>n;
       ^
Main.cc:9:2: error: 'cout' was not declared in this scope
  cout<