L, D = map(int, input().split())
dp = [0] * (L + 1)
for x in range(1, L + 1):
    s = set()
    for a in range(1, x):
        for b in range(a + 1, x):
            c = x - a - b
            if b < c and c - a <= D:
                xor = dp[a] ^ dp[b] ^ dp[c]
                s.add(xor)
    mex = 0
    while 1:
        if mex not in s:
            break
        mex += 1
    dp[x] = mex
ans = "kado" if dp[L] else "matsu"
print(ans)