#include <iostream>
#include <cstring>
#include <algorithm>
#include <iomanip>
#include <cstdlib>
#include <cmath>
#include <set>
#include <queue>
#include <vector>
#include <stack>
#include <map>
#include <deque>
#include <ctime>
#include <climits>

#define ll long long
#define ull unsigned long long

using namespace std;

int main() {
    
    while (1) {
        
        int a, b, c;
        
        cin >> a >> b >> c;
        
        if (a == 0 && b == 0 && c == 0)
            break;
        
        int aux, i = 0;
        int x = a;
        int ch[10];
        
        while (x) {
            
            aux = x % 10;
            
            if (aux == b)
                aux = c;
            
            ch[++i] = aux;
         
            x /= 10;
            
        }
        
        int s = 0;
        
        for (int j = i; j > 0; j--)
            s = s * 10 + ch[j];
        
        cout << s << "\n";
        
    }
    
    return 0;
}