H = {}
H[0] = [[0, 1, 2]]
H[1] = [[0, 2, 1], [1, 0, 2]]
H[2] = [[0, 1, 2], [1, 2, 0], [2, 0, 1]]
H[3] = [[0, 2, 1], [1, 0, 2], [2, 1, 0]]

def possible?(sb, n, sa)
  aa = n <= 1 ? H[n] : n % 2 == 0 ? H[2] : H[3]
  aa.each do |a|
    flg = true
    a.each.with_index do |j, i|
      if sb[j] != sa[i] then
        flg = false
        break
      end
    end
    return true if flg
  end
  return false
end

SB = gets.chomp
N = gets.to_i
SA = gets.chomp
puts possible?(SB, N, SA) ? "FAILURE" : "SUCCESS"