682

using System;
using System.Collections.Generic;
using System.Text;

namespace ExamTasks
{
    class Program
    {
        static void Main(string[] args)
        {
            Random rnd = new Random();
            int n = int.Parse(Console.ReadLine());
            int[,] matrix = new int[n, 3];
            int k = int.Parse(Console.ReadLine());
            int l = int.Parse(Console.ReadLine());
            int temp = 0;
            int min = Math.Min(k, l);
            int max = Math.Max(k, l);
            Console.WriteLine("");
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < 3; j++)
                {
                    matrix[i, j] = rnd.Next(0, 10);
                    Console.Write(matrix[i, j] + "\t");
                }
                Console.WriteLine("");
            }
            if (k < l)
                for (int i = 0; i < 3; i++)
                {
                    temp = matrix[l - 1, i];
                    matrix[l - 1, i] = matrix[k - 1, i];
                    matrix[k - 1, i] = temp;
                }
            while (min - 1 < max - 2)
            {
                for (int i = 0; i < 3; i++)
                {
                    temp = matrix[min - 1, i];
                    matrix[min - 1, i] = matrix[min, i];
                    matrix[min, i] = temp;
                }
                min++;
            }
            Console.WriteLine("");
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < 3; j++)
                    Console.Write(matrix[i, j] + "\t");
                Console.WriteLine("");
            }
        }
    }
}