L,D=map(int,input().split())
g=[0]*(L+1)
for l in range(6,L+1):
  c=[0]*L*2
  for l1 in range(1,l//3+1):
    for l2 in range(l1+1,l//3+1):
      l3=l-l1-l2
      if l1<l2<l3 and l3-l1<=D:
        c[g[l1]^g[l2]^g[l3]]=1
  for i in range(L*2):
    if c[i]==0:
      g[l]=i
      break
print(["matsu","kado"][g[L]>0])