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 if K == 0: print('u') else: K -= 1 print('uusaayuusaan'[K])