View Compilation Error

0_0_31634113_23259.cpp:2:1: error: 'include' does not name a type
 include<iostream>
 ^
0_0_31634113_23259.cpp: In function 'int main()':
0_0_31634113_23259.cpp:90:11: error: 'cin' was not declared in this scope
     while(cin>>s)
           ^
0_0_31634113_23259.cpp:102:12: error: 'cout' was not declared in this scope
            cout<<num<<endl;
            ^
0_0_31634113_23259.cpp:102:23: error: 'endl' was not declared in this scope
            cout<<num<<endl;
                       ^