/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone {
	public static void main (String[] args) throws java.lang.Exception {
		countdown(10);
	}
 
	public static void countdown(int n) {    
		if (n == 0) {        
			System.out.println("Blastoff!");    
		} else {
			System.out.println(n);        
			countdown(n - 1);    
		} 
	}
}

LyogcGFja2FnZSB3aGF0ZXZlcjsgLy8gZG9uJ3QgcGxhY2UgcGFja2FnZSBuYW1lISAqLwoKaW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5sYW5nLio7CmltcG9ydCBqYXZhLmlvLio7CgovKiBOYW1lIG9mIHRoZSBjbGFzcyBoYXMgdG8gYmUgIk1haW4iIG9ubHkgaWYgdGhlIGNsYXNzIGlzIHB1YmxpYy4gKi8KY2xhc3MgSWRlb25lIHsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKSB0aHJvd3MgamF2YS5sYW5nLkV4Y2VwdGlvbiB7CgkJY291bnRkb3duKDEwKTsKCX0KCQoJcHVibGljIHN0YXRpYyB2b2lkIGNvdW50ZG93bihpbnQgbikgeyAgICAKCQlpZiAobiA9PSAwKSB7ICAgICAgICAKCQkJU3lzdGVtLm91dC5wcmludGxuKCJCbGFzdG9mZiEiKTsgICAgCgkJfSBlbHNlIHsKCQkJU3lzdGVtLm91dC5wcmludGxuKG4pOyAgICAgICAgCgkJCWNvdW50ZG93bihuIC0gMSk7ICAgIAoJCX0gCgl9Cn0=