# coding: utf-8

#1/usr/bin/evn ruby
# -*- coding: uft-8 -*-

puts"花の水やり当番"
puts"あなたは何組?"
puts"1,2,3,4"
kumi = ["0","1","2","3","4"]
def nannkumi(5)
  kumi[1] = 
  
  printf("%d組は今週です。"kumi[1])
  printf("%d組は来週です。"kumi[2])