using System;

public class Program

{

    public static void Main()

    {

        int[][] tab = new int[5][];

        for(int i = 0; i < 5; ++i) {

            tab[i] = new int[i + 1];

        }

        for(int i = 0; i < 5; ++i) {

            Console.WriteLine(tab[i].Length);

        }

    }

}