#!/usr/bin/env pypy3

import array


def mex(s):
    m = 0
    while m in s:
        m += 1
    return m


def can_kado_win(l, d):
    gs = array.array("I", (0 for _ in range(l + 1)))
    for i in range(1, l + 1):
        next_gs = set()
        for l1 in range(3, i - 2):
            for l2 in range(2, i - l1):
                if l1 <= l2:
                    continue
                l3 = i - l1 - l2
                if l2 <= l3:
                    continue
                if l1 - l3 <= d:
                    next_gs.add(gs[l1] ^ gs[l2] ^ gs[l3])
        gs[i] = mex(next_gs)
    return gs[l] != 0


def main():
    l, d = map(int, input().split())
    print("kado" if can_kado_win(l, d) else "matsu")


if __name__ == '__main__':
    main()