#include <stdio.h>
#include <math.h>

int main(void) {
    char sb[4], sa[4];
    int i, n;
    int coin_b, coin_a;
    int diff;
    scanf("%s", sb);
    scanf("%d", &n);
    scanf("%s", sa);
    coin_b = 0;
    coin_a = 0;
    for(i = 0;i < 3;i++){
        if(sb[i] == 'o')coin_b++;
        if(sa[i] == 'o')coin_a++;
    }
    if(coin_b != coin_a){
        printf("SUCCESS\n");
        return 0;
    }
    diff = 0;
    for(i = 0;i < 3;i++){
        
        if(sb[i] != sa[i]){
            diff += pow(2, i);
        }
    }
    //printf("%d", diff);
    if(diff == 5 && n >= 2){
        printf("FAILURE\n");
    }
    else if((diff == 3 || diff == 6) && n != 0){
        printf("FAILURE\n");
    }
    else if(diff == 0 && (sb[0] == sb[1] || sb[1] == sb[2])){
        printf("FAILURE\n");
    }
    else if(diff == 0 && (n > 1 || n == 0)){
        printf("FAILURE\n");
    }
    else{
        printf("SUCCESS\n");
    }
    return 0;
}