# -*- coding: utf-8 -*-
"""
Created on Tue Jan 21 14:44:15 2020

@author: Mahabaleshwara.Bairi
"""

age=input ("Enter Age : ")
if int(age) >72:
    print ("Senior Citizen")
elif int (age) <20:
     print (" Eligible for student")
else:
     print ("Normal Charges")
     