#include <iostream>
using namespace std;
int main()
{
cout<<"First program!\n";
int num;
cout<<"What is 2 * 2: ";
cin>> num;
cin.ignore();
if ( num == 4 ) {
     cout<<"Correct!\n";
     }
do {
    cout<<"Wrong! Try again.";
    cout<<"What is 2 * 2: ";
} while ( num != 4 );
cin.get();
     }