#include <cstdio>

const int buffer=1<<13;
char buff[buffer]; int cnt=0;

//getInt() reads and returns one integer at a time
int getInt() {
    int number = 0;
    while(buff[cnt] < '0' || '9' < buff[cnt])
        if(++cnt >= buffer) fread(buff, buffer, 1, stdin), cnt = 0;

    while('0' <= buff[cnt] && buff[cnt] <= '9') {
        number = number * 10 + buff[cnt] - '0';
        if(++cnt >= buffer) fread(buff, buffer, 1, stdin), cnt = 0;
    }

    return number;
}

char rez[20];

int main() {
   // freopen("data.in","r",stdin);
   // freopen("data.out","w",stdout);

    int n,a,b;



    while(true)
    {
        n=getInt();
        a=getInt();
        b=getInt();

        if(n==0 && a==0 && b==0)
            return 0;

        int i;

        for(i=10; n; i--)
        {
            rez[i]=n%10;
            if(rez[i]==a)
                rez[i]=b;
            rez[i]+='0';
            n/=10;
        }

        while(rez[i+1]=='0')
            i++;

        if(i==10)
        {
            i=9;
        }

        //rez[i]=0;
        puts(rez+i+1);

    }

}