L,D = map(int,input().split())
G = [-1 for i in range(L+1)]
for x in range(min(L,5) + 1):
  G[x] = 0

for x in range(6,L+1):
  X = set()
  for i in range(1,L):
    for j in range(i+1,L):
      k = x - i - j
      if j >= k:
        break
      if k - i > D:
        continue
      g = G[i] ^ G[j] ^ G[k]
      X.add(g)
  g = 0
  while g in X:
    g += 1
  G[x] = g

ans = 'kado'
if G[L] == 0:
  ans = 'matsu'
print(ans)