#include<iostream>
using namespace std;

int main(){
	int i = 1;
	while(i <= 20){
		cout << i << " squared is " << i*i << endl;
		i++;
	}

	// A do/while is different

	i = 1; // Don't redeclare, we made it earlier
	do {
		cout << i << " squared is " << i*i << endl;
		i++;
	} while(i <= 20);
}