#include <bits/stdc++.h>   using namespace std;   long long mM(long long a, long long b, long long mod) {     long long res = 0;     a %= mod;     while (b) {       if (b & 1) res = (res + a) % mod;       a = (2 * a) % mod;       b >>= 1;     }     return res;   }   long long fpow(long long first, long long second, long long p) {     first = first % p;     long long res = 1;     while (second) {       if (second & 1) res = mM(res, first, p);       res %= p;       if (res < 0) res = (res + p) % p;       second = second >> 1;       first = mM(first, first, p);       if (first < 0) first = (first + p) % p;       first %= p;     }     return res;   }   long long inv(long long n) { return fpow(n, 1000000007 - 2, 1000000007); }   long long modmul(long long first, long long second) {     return mM(first, second, 1000000007);   }   long long modadd(long long first, long long second) {     long long temp = first % 1000000007 + second % 1000000007;     temp %= 1000000007;     if (temp < 0) temp = (temp + 1000000007) % 1000000007;     return temp;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long t;     t = 1;     while (t--) {       long long n, m;       cin >> n >> m;       string s, p;       cin >> s >> p;       string s1 =   , s2 =   ;       for (int i = 0; i < s.size(); i++)         if (s[i] !=  * )           s1 += s[i];         else           break;       for (int i = n - 1; i >= 0; i--)         if (s[i] !=  * )           s2 += s[i];         else           break;       if (s == p) {         cout <<  YES n ;         return 0;       }       string jk = s2;       reverse(jk.begin(), jk.end());       if (s1 == s && jk == s && s != p) {         cout <<  NO n ;         return 0;       }       if (s1.size() + s2.size() > p.size()) {         cout <<  NO n ;         return 0;       }       int i;       for (i = 0; i < s1.size(); i++)         if (s1[i] != p[i]) break;       int j, k = m - 1;       for (j = 0; j < s2.size(); j++)         if (s2[j] != p[k])           break;         else           k--;       if (i != s1.size() || j != s2.size())         cout <<  NO n ;       else         cout <<  YES n ;     }   }   