import sys
input = sys.stdin.readline

S="yuusaan"
X="yuusaan"

for i in range(5):
    T=""
    for s in S:
        if s=="y" or s=="n":
            T+=X
        else:
            T+=s
    S=T


N,K=map(int,input().split())
S="yuusaanuusaa"

N-=1
print(S[K%12])