text: #include <iostream>
  #include <cstdio>
  
  using namespace std;
  
  void countDown(int n) {
  	printf("Countdown from %d\n", n);
  	for(int i=n; i>0; i--) {
  		cout << i << endl;
  	}
  	cout << "Blast off!" << endl;
  	return;
  }
  
  int main(int argc, char **argv) {
  	countDown(10);
  	return 0;
  }
  