#include <bits/stdc++.h>   using namespace std;   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     int n, m;     cin >> n >> m;     string a, b;     cin >> a >> b;     if (a.size() - 1 > b.size()) {       cout <<  NO n ;       return 0;     }     if (a == b) {       cout <<  YES n ;       return 0;     }     int l = 0, r = m - 1;     while (a[l] == b[l] && l < min(n, m)) l++;     while (a.back() == b.back() && min(a.size(), b.size()) > l)       a.pop_back(), b.pop_back();     if (a.size() - l == 1 && a.back() ==  * ) {       cout <<  YES ;     } else {       cout <<  NO n ;     }     return 0;   }   