L, D = map( int, input().split() )

sg = [ 0 for i in range( L + 1 ) ]
for i in range( L + 1 ):
  bag = set()
  for j in range( 1, i ):
    for k in range( j + 1, i - j ):
      l = i - j - k
      if not ( j < k < l ): continue
      if not ( l - j <= D ): continue
      bag.add( sg[ j ] ^ sg[ k ] ^ sg[ l ] )
  for j in range( 1000000 ):
    if j not in bag:
      sg[ i ] = j
      break

print( [ "matsu", "kado" ][ sg[ L ] > 0 ] )