#!/usr/bin/env python
import time
import datetime
import locale
locale.setlocale(locale.LC_ALL, locale.getdefaultlocale())
while True:
    try:
        dia= int(raw_input('dia: '))
        if dia<1 or dia>31:
            raise ValueError
        break
    except ValueError:
            print "No valido."
while True:
    try:
        mes=int(raw_input("mes[MM]:"))
        if mes<1 or mes> 12:
            raise ValueError
        break
    except ValueError:
            print "No valido."

while True:
    try:
        anio=int(raw_input("anio[YYYY]:"))
	break
    except ValueError:
            print "No valido."

foo=datetime.date(anio, mes, dia)
print "Fue", foo.strftime("%A")