import sys
from functools import lru_cache
sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


L,D = MI()


@lru_cache(maxsize=None)
def Grundy(x):
    if x <= 5:
        return 0

    G = set()
    for i in range(1,x//3):
        for j in range(i+1,x):
            k = x-i-j
            if k <= j:
                break
            if k-i > D:
                continue
            g = Grundy(i) ^ Grundy(j) ^ Grundy(k)
            G.add(g)

    for i in range(10**6):
        if not (i in G):
            return i


g = Grundy(L)
if g:
    print('kado')
else:
    print('matsu')