class Magic:
    PATTERN = {
        0: {(1, 2, 3)},
        1: {(2, 1, 3), (1, 3, 2)},
        2: {(1, 2, 3), (2, 3, 1), (3, 1, 2)},
        3: {(2, 1, 3), (1, 3, 2), (3, 2, 1)}
    }

    def __init__(self, initial: str) -> None:
        assert len(initial) == 3
        self.__initial = initial

    def is_possible(self, num: int, current: str) -> bool:
        assert len(current) == 3
        match num:
            case 0:
                return self.__initial == current
            case 1:
                for pattern in self.PATTERN[1]:
                    possible_case = ""
                    for idx in pattern:
                        possible_case += self.__initial[idx - 1]
                        if possible_case == current:
                            return True
                else:
                    return False

            case _:
                pass

        match num % 2:
            case 0:
                for pattern in self.PATTERN[2]:
                    possible_case = ""
                    for idx in pattern:
                        possible_case += self.__initial[idx - 1]
                        if possible_case == current:
                            return True
                return False
            case 1:
                for pattern in self.PATTERN[3]:
                    possible_case = ""
                    for idx in pattern:
                        possible_case += self.__initial[idx - 1]
                        if possible_case == current:
                            return True
                return False


def main():
    before = input()
    N = int(input())
    after = input()

    magic = Magic(before)
    if magic.is_possible(N, after):
        print("FAILURE")
    else:
        print("SUCCESS")


if __name__ == "__main__":
    main()