View Compilation Error

0_0_33079371_30490.cpp:2:1: error: 'll' does not name a type
 ll n;
 ^
0_0_33079371_30490.cpp: In function 'int main()':
0_0_33079371_30490.cpp:5:29: error: 'n' was not declared in this scope
     while (~scanf ("%lld", &n))
                             ^
0_0_33079371_30490.cpp:14:37: error: 'ph' was not declared in this scope
         printf("%lld", 1ll << sum), ph;
                                     ^