View Compilation Error

0_0_17784610_17081.cpp:1:1: error: 'include' does not name a type
 include<iostream>
 ^
0_0_17784610_17081.cpp: In function 'int main()':
0_0_17784610_17081.cpp:6:3: error: 'cin' was not declared in this scope
   cin>>k;
   ^
0_0_17784610_17081.cpp:11:9: error: 'cout' was not declared in this scope
         cout<<"YES"<<endl;
         ^
0_0_17784610_17081.cpp:11:22: error: 'endl' was not declared in this scope
         cout<<"YES"<<endl;
                      ^
0_0_17784610_17081.cpp:13:9: error: 'cout' was not declared in this scope
         cout<<"NO"<<endl;
         ^
0_0_17784610_17081.cpp:13:21: error: 'endl' was not declared in this scope
         cout<<"NO"<<endl;
                     ^