ior = io.read
local s1 = ior()
local num = ior("*n", "*l")
local s2 = ior()
local cnt1, cnt2, v1, v2 = 0, 0, 0, 0
for i = 1, 3 do
  if(s1:sub(i, i) == "o") then cnt1, v1 = cnt1 + 1, v1 + 2^(i-1) end
  if(s2:sub(i, i) == "o") then cnt2, v2 = cnt2 + 1, v2 + 2^(i-1) end
end
if(cnt1 ~= cnt2) then
  print("SUCCESS")
elseif(cnt1 == 0 or cnt1 == 3) then
  print("FAILURE")
else
  if(cnt1 == 2) then
    v1, v2 = 7 - v1, 7 - v2
  end
  if(v1 == 1) then
    if(v2 == 1) then print("FAILURE")
    elseif(v2 == 2) then print(num == 0 and "SUCCESS" or "FAILURE")
    else print(num <= 1 and "SUCCESS" or "FAILURE")
    end
  elseif(v1 == 4) then
    if(v2 == 4) then print("FAILURE")
    elseif(v2 == 2) then print(num == 0 and "SUCCESS" or "FAILURE")
    else print(num <= 1 and "SUCCESS" or "FAILURE")
    end
  else
    if(v2 == 2) then print(num == 1 and "SUCCESS" or "FAILURE")
    else print(num == 0 and "SUCCESS" or "FAILURE")
    end
  end
end