using System;

public class Program

{

    public static void Main()

    {

        int y = 7 , h = 9 , H = 13 , Y =3 ;

while(Y<=5)

{

H=(y+Y%2==0)?H++ : h++;

Y=(H<23)?(y++ + y++) : H;

y= (Y==9)?y-- : --Y;

h=(h%Y == 2)? h: h+15;

​

}

Console.WriteLine((Y+h)+"y"+H);

    }

}