#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rrep(i,n) for(int i = 1; i <= (n); ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define rng(a) a.begin(),a.end()
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<P> vp;
#define dame { puts("-1"); return 0;}
#define yn {puts("SUCCESS");}else{puts("FAILURE");}
#define MAX_N 200005

int main() {
    string s[2];
    ll x;
    cin >> s[0] >> x >> s[1];
    int cnt[2] = {};
    rep(i,2)rep(j,3)if(s[i][j] == 'o')cnt[i]++;

    int flag = 0;
    if(cnt[0] != cnt[1])flag = 1;
    
    if(cnt[0] == 1 || cnt[0] == 2){
        if(s[1][0] == s[1][2]){
            if(s[0] == s[1] && x % 2 == 1)flag = 1;
            if(s[0] != s[1] && x % 2 == 0)flag = 1;
        }
        else if(s[0][0] == s[0][2] && x == 0)flag = 1;
        else if(s[0][0] != s[0][2] && s[0] != s[1] && x < 2)flag = 1;
    }
    if(flag)yn;
    return 0;
}