#!/usr/bin/env python3
# %%
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
import itertools

# %%
L, D = map(int, read().split())

# %%
G = [0] * (L + 1)
for n in range(1, L + 1):
    se = set()
    for i in range(1, n):
        if 3 * i > n:
            break
        for j in range(i + 1, n):
            k = n - i - j
            if k - i > D:
                continue
            if k <= j:
                break
            se.add(G[i] ^ G[j] ^ G[k])
    g = 0
    while g in se:
        g += 1
    G[n] = g


# %%
print('kado' if G[L] else 'matsu')