import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;

public class CreateInput {

    static BufferedReader in;
    static PrintWriter out;
    static StringTokenizer tok;

    void solve() throws IOException {
        String s1 = ns();
        int n = ni();
        String s2 = ns();

        if (s1.chars().map(c -> c == 'o' ? 1 : 0).sum() != s2.chars().map(c -> c == 'o' ? 1 : 0).sum()) {
            out.println("SUCCESS");
        } else if (n == 0 && !s2.equals(s1)) {
            out.println("SUCCESS");
        } else if (s1.equals("ooo") && s2.equals("ooo") || s1.equals("xxx") && s2.equals("xxx")) {
            out.println("FAILURE");
        } else if (n == 1 && new StringBuilder(s2).reverse().toString().equals(s1)) {
            out.println("SUCCESS");
        } else {
            out.println("FAILURE");
        }
    }

    String ns() throws IOException {
        while (!tok.hasMoreTokens()) {
            tok = new StringTokenizer(in.readLine(), " ");
        }
        return tok.nextToken();
    }

    int ni() throws IOException {
        return Integer.parseInt(ns());
    }

    long nl() throws IOException {
        return Long.parseLong(ns());
    }

    double nd() throws IOException {
        return Double.parseDouble(ns());
    }

    String[] nsa(int n) throws IOException {
        String[] res = new String[n];
        for (int i = 0; i < n; i++) {
            res[i] = ns();
        }
        return res;
    }

    int[] nia(int n) throws IOException {
        int[] res = new int[n];
        for (int i = 0; i < n; i++) {
            res[i] = ni();
        }
        return res;
    }

    long[] nla(int n) throws IOException {
        long[] res = new long[n];
        for (int i = 0; i < n; i++) {
            res[i] = nl();
        }
        return res;
    }

    public static void main(String[] args) throws IOException {
        in = new BufferedReader(new InputStreamReader(System.in));
        out = new PrintWriter(System.out);
        tok = new StringTokenizer("");
        CreateInput main = new CreateInput();
        main.solve();
        out.close();
    }
}