def move(a)
    [[a[0],a[2],a[1]],[a[1],a[0],a[2]]]
end

def guchoku(n,cur,fin)
    return cur == fin if n == 0
    move(cur).each{|nxt|
        return true if guchoku(n-1,nxt,fin)
    }
    return false
end

start = gets.chomp.chars.to_a
n = gets.to_i
final = gets.chomp.chars.to_a

if n < 8
    puts guchoku(n,start,final) ? "FAILURE" : "SUCCESS"
else
    if n.odd?
        [[0,1,2],[2,0,1],[1,2,0]].each{|swp|
            if [start[swp[0]],start[swp[1]],start[swp[2]]] == final
                puts "FAILURE" ; exit
            end
        }
        puts "SUCCESS" ; exit
    else
        [[0,2,1],[2,1,0],[1,0,2]].each{|swp|
            if [start[swp[0]],start[swp[1]],start[swp[2]]] == final
                puts "FAILURE" ; exit
            end
        }
        puts "SUCCESS" ; exit
    end
    
end