View Compilation Error

0_0_19852869_19636.cpp:1:1: error: 'include' does not name a type
 include<iostream>
 ^
0_0_19852869_19636.cpp: In function 'int main()':
0_0_19852869_19636.cpp:6:11: error: 'cin' was not declared in this scope
     while(cin>>x>>y) 
           ^
0_0_19852869_19636.cpp:8:1: error: 'cout' was not declared in this scope
 cout<<x+y<<endl;
 ^
0_0_19852869_19636.cpp:8:12: error: 'endl' was not declared in this scope
 cout<<x+y<<endl;
            ^