#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "algo/debug.h"
#else
#define debug(...) 42
#endif
typedef long long ll;
typedef unsigned long long ull;
const int N = 1e5 + 10, INF = 1e9;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, m; cin >> n >> m;
    string s, t;
    for (int i = 0; i < n; i++) {
        char c; cin >> c; s += c;
    }
    for (int i = 0; i < m; i++) {
        char c; cin >> c; t += c;
    }
    string p = s + s;
    reverse(s.begin(), s.end());
    string q = s + s;
    if (p.find(t) != string::npos || q.find(t) != string::npos) cout << 1;
    else cout << 0;
    return 0;
}