using System;

public class Program

{

    public static void Main()

    {

        int x, y,z;

        Console.Write("Enter the day: ");

        x = int.Parse(Console.ReadLine());

        Console.Write("Enter the month: ");

        y = int.Parse(Console.ReadLine());

        Console.Write("Enter the year: ");

        z = int.Parse(Console.ReadLine());

        if (y == 1 || y == 3 || y == 5 || y == 7 || y == 8 || y == 10 || y == 12)

            if (x < 31 && x > 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," +y + "," + z));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

            }

            else if (x == 1 && y == 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," +y + "," + z));

                Console.WriteLine("yesterday: " + (x +30 + "," + (y+11) + "," + (z-1)));

            }

            else if (x == 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," + y + "," + z));

                Console.WriteLine("yesterday: " + (x +30 + "," + (y -1) + "," + z));

            }

            else if (x == 30)

            {

                Console.WriteLine("tomorrow: " + (x -20 + "," + (y+1) + "," + z));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

            }

            else if (y == 12 && x == 31)

            {

                Console.WriteLine("tomorrow: " + (x -30 + "," + y + "," + (z+1)));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

            }

        else if (y == 4 || y == 6 || y == 9 || y== 11)

            if (x < 30 && x > 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," + y + "," + z));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

            }

            else if (x == 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," +y + "," + z));

                Console.WriteLine("yesterday: " + (x +29 + "," + (y -1) + "," + z));

            }

            else if (x == 30)

            {

                Console.WriteLine("tomorrow: " + (x -29 + "," + (y+1) + "," + z));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," +z));

            }

        else if (y ==2)

                if (z % 4 == 0)

                    if (x <= 29 && x >= 1)

                    {

                        Console.WriteLine("tomorrow: " + (x +1 + "," +y + "," +z));

                        Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

                    }

                else if (x == 1)

                {

                    Console.WriteLine("tomorrow: " + (x +1 + "," + y + "," + z));

                    Console.WriteLine("yesterday: " + (x +30 + "," + (y -1) + "," + z));

                }

                else if (x == 29)

                {

                    Console.WriteLine("tomorrow: " + (x -28 + "," + (y+1) + "," + z));

                    Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

                }

            if (x <= 28 && x >= 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," + y+ "," + z));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," + z));

            }

            else if (x == 1)

            {

                Console.WriteLine("tomorrow: " + (x +1 + "," + y + "," + z));

                Console.WriteLine("yesterday: " + (x +30 + "," + (y -1) + "," + z));

            }

            else if (x == 28)

            {

                Console.WriteLine("tomorrow: " + (x -27 + "," + (y+1) + "," + z));

                Console.WriteLine("yesterday: " + (x -1 + "," + y + "," +z));

            }

        else

            Console.WriteLine("Eror");

    }

}