#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <string>
#include <cstring>
#include <cmath>
#include <cctype>
#include <typeinfo>
#include <algorithm>
#include <sstream>

#include <vector>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <bitset>
#include <iterator>

using namespace std;

typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;

#define INF 1e9
#define ll long long
#define ull unsigned long long


int main()
{
   // freopen("C:\\in.txt", "r", stdin);
    string s1, s2, s3;
    while(cin >> s1 >> s2 >> s3){
        if(s1 == "0" && s1=="0" && s3=="0") break;
        replace( s1.begin(), s1.end(), s2[0], s3[0]);
        int start = 0;
        for(int i=0; i<s1.size(); ++i){
            if(s1[i]=='0'){
                start++;
            } else {
                break;
            }
        }
        if(s1.size()==1) start = 0;
        cout << s1.substr(start) << endl;
    }

    return 0;
}