import os, sys
if os.path.exists("input.txt"):
  sys.stdin = open('input.txt', 'r')

N, K = map(int, input().split())
if K <= 7:
  print('yuusaan'[K - 1])
else:
  K -= 7
  K %= 12
  K -= 1
  print('uusaayuusaan'[K])