<gh_stars>1-10
# -*- coding: utf-8 -*-
"""
Created on Mon Nov 23 23:08:17 2020

@author: Shohzod
"""
import math

son=input("BUTUN SON KIRITING\n>>>")

while son.isdigit()==False:
    print("ERROR!")
    son=input("BUTUN SON KIRITING\n>>>")

print("RAXMAT")