#include<bits/stdc++.h>

using namespace std;

const int INF = 1000;

struct A
{
    int i, j;
    char c;
};

vector<vector<A>> pred;
string s1, s2;
char cc;

string to_s(char c)
{
    string s = "";
    s.push_back(c);
    return s;
}

string get(int i, int j)
{
    if(i == 1 && j == 1)
        return to_s(cc);
    else
        return get(pred[i][j].i, pred[i][j].j) + to_s(pred[i][j].c);
}

int main()
{
//  ios::sync_with_stdio(0);
//  cin.tie(0);
    cin >> s1 >> s2;
    int n = s1.size();
    int m = s2.size();
    s1.insert(s1.begin(), '#');
    s2.insert(s2.begin(), '#');
    vector<vector<int>> dp(n + 2, vector<int> (m + 2, INF));
    pred.resize(n + 2, vector<A> (m + 2, {-1, -1, '-'}));
    if(s1[1] == s2[1] || s1[1] == '?' || s1[1] == '*' || s2[1] == '?' || s2[1] == '*')
    {
        dp[1][1] = 1;
        if(s1[1] == s2[1])
        {
            if(s1[1] == '?')
                cc = 'A';
            else
                cc = s1[1];
        }
        else
        {
            if(s1[1] != '?' && s1[1] != '*')
                cc = s1[1];
            else if(s2[1] != '?' && s2[1] != '*')
                cc = s2[1];
            else
                cc = 'A';
        }
    }
//  cout << "fff";
    if(s1[1] == '*' && s2[1] == '*')
        dp[1][1] = 0, cc = '-';
    for(int i = 2; i <= n; i++)
    {
        if(s2[1] == '*' || s1[i] == '*')
        {
            if(s1[i] == '*' || s2[1] == s1[i])
            {
                dp[i][1] = dp[i - 1][1];
                pred[i][1] = {i - 1, 1, '-'};
            }
            else
            {
                dp[i][1] = dp[i - 1][1] + 1;
                pred[i][1] = {i - 1, 1, s1[i]};
            }

        }
        else
            dp[i][1] = INF;
    }
    for(int i = 2; i <= m; i++)
    {
        if(s1[1] == '*' || s2[i] == '*')
        {
            if(s2[i] == '*' || s1[1] == s2[i])
            {
                dp[1][i] = dp[1][i - 1];
                pred[1][i] = {1, i - 1, '-'};
            }

            else
            {
                dp[1][i] = dp[1][i - 1] + 1;
                pred[1][i] = {1, i - 1, s2[i]};
            }

        }
        else
            dp[1][i] = INF;
    }
//  cout << "yyy";
    for(int i = 2; i <= n; i++)
    {
        for(int j = 2; j <= m; j++)
        {
            if(s1[i] == '*' && s2[j] == '*')
            {
                if(dp[i - 1][j] == INF && dp[i][j - 1] == INF)
                {
                    dp[i][j] = INF;
                    continue;
                }
                if(dp[i - 1][j] < dp[i][j - 1])
                {
                    dp[i][j] = dp[i - 1][j];
                    pred[i][j] = {i - 1, j, '-'};
                }
                else
                {
                    dp[i][j] = dp[i][j - 1];
                    pred[i][j] = {i, j - 1, '-'};
                }
//              dp[i][j] = dp[i - 1][j - 1];
//              pred[i][j] = {i - 1, j - 1, '-'};
            }
            else if(s1[i] == s2[j] && s1[i] != '?' && s1[i] != '*')
            {
                if(dp[i - 1][j - 1] == INF)
                    dp[i][j] = INF;
                else
                {
                    dp[i][j] = dp[i - 1][j - 1] + 1;
                    pred[i][j] = {i - 1, j - 1, s1[i]};
                }
            }
            else if(s1[i] == '?' && s2[j] == '?')
            {
                if(dp[i - 1][j - 1] == INF)
                    dp[i][j] = INF;
                else
                {
                    dp[i][j] = dp[i - 1][j - 1] + 1;
                    pred[i][j] = {i - 1, j - 1, 'A'};
                }

            }
            else if(s1[i] == '*')
            {
                if(dp[i - 1][j] == INF && dp[i][j - 1] == INF)
                {
                    dp[i][j] = INF;
                    continue;
                }
                if(dp[i - 1][j] > dp[i][j - 1])
                {
                    dp[i][j] = dp[i][j - 1] + 1;
                    pred[i][j] = {i, j - 1, s2[j]};
                }
                else
                {
                    dp[i][j] = dp[i - 1][j];
                    pred[i][j] = {i - 1, j, '-'};
                }
//              dp[i][j] = min(dp[i - 1][j], dp[i][j - 1]) + 1;
//              if(dp[i][j] != INF)
//                  dp[i][j].push_back(f(s2[j - 1]));
            }
            else if(s2[j] == '*')
            {
                if(dp[i - 1][j] == INF && dp[i][j - 1] == INF)
                {
                    dp[i][j] = INF;
                    continue;
                }

                if(dp[i - 1][j] < dp[i][j - 1])
                {
                    dp[i][j] = dp[i - 1][j] + 1;
                    pred[i][j] = {i - 1, j, s1[i]};
                }
                else
                {
                    dp[i][j] = dp[i][j - 1];
                    pred[i][j] = {i, j - 1, '-'};
                }

//              dp[i][j] = min(dp[i - 1][j], dp[i][j - 1]) + 1;
//              if(dp[i][j] != INF)
//                  dp[i][j].push_back(f(s1[i - 1]));
            }
            else if(s1[i] == '?')
            {
                if(dp[i - 1][j - 1] == INF)
                    dp[i][j] = INF;
                else
                {
                    dp[i][j] = dp[i - 1][j - 1] + 1;
                    pred[i][j] = {i - 1, j - 1, s2[j]};
                }
            }
            else if(s2[j] == '?')
            {
                if(dp[i - 1][j - 1] == INF)
                    dp[i][j] = INF;
                else
                {
                    dp[i][j] = dp[i - 1][j - 1] + 1;
                    pred[i][j] = {i - 1, j - 1, s1[i]};
                }
            }
            else
                dp[i][j] = INF;
        }
    }
//  for(int i = 1; i <= n; i++)
//  {
//      for(int j = 1; j <= m; j++)
//          cout << dp[i][j] << " ";
//      cout << "\n";
//  }
//  cout << dp[n][m] << "\n";
    if(dp[n][m] >= INF)
    {
        cout << "No solution!";
        exit(0);//вероятно решение есть, но программа говорит, что его нет.
    }

    if(dp[n][m] == 0)
        cout << "A", exit(0);
    string ans = get(n, m);
    for(auto i : ans)
    {
        if(i == '?')
            cout << "A";
        else if(i != '-')
            cout << i;
    }
}