class segityga {
    public static void main(String[]args){

         int x,y;
        x=1;
        System.out.print("Masukkan Angka : ");
        Scanner scan = new Scanner (System.in);
        int tinggi = scan.nextInt();
        while (x <= tinggi)
        {
            y=1;
            while (y <= x)
            {
                System.out.print(y);
                y++;
            }
            System.out.println();
            x++;
        }
    }