n,d = map(int,input().split())
g = [0]*(n+1)

for x in range(1,n+1):
    s = set()
    for i in range(1,x+1):
        for k in range(i+1,x+1):
            if k - i > d:
                break
            if i + k >= x:
                break
            t =x - (i + k)
            if i < t < k:
                s.add(g[i]^g[t]^g[k])
    t = 0
    while t in s:
        t += 1
    g[x] = t
print('kado' if g[n] != 0 else 'matsu' )