#include <iostream>
using namespace std;

void countdown(int n) {

	for (int i = n; i > 0; i--) {
		cout << i << endl;
	}
    cout << "Blast off" << endl;
}

void countdownREC(int n) {

}

int main() {
	countdown(10);
	cout << endl;
	countdownREC(10);
}