//Sample05_52.java
class Sample05_52 {
	public static void main(String[] args){
		int i = 0;
		System.out.println(i);
		i-=2;
		System.out.println(i);
		i-=2;
		System.out.println(i);
		i-=2;
		System.out.println(i);
		i-=2;
		System.out.println(i);
	}
}