// This program demonstrates a simple recursive function.
#include <iostream>
using namespace std;

// Function prototype
void countDown(int);

int main()
{
    countDown(10);
    return 0;
}

void countDown(int count)
{
    if (count == 0)                     //base case
        cout << "Blastoff!" << endl;
    else
    {
        cout << count << "..." << endl;;
        countDown(count - 1);           //recursive call
    }
    return;
}