#include <iostream>

int main( void )
{
        int i = 0;
        while ( i < 5 ) {
                std::cout << "while: " << i << " is < 5\n";
                ++i;
        }
        for ( int i = 0; i < 5; ++i ) {
                std::cout << "for: " << i << " is < 5\n";
        }
}