#include <stdio.h>

int main(void){


	long int n,np,nc=0;
	int c1,c2,cifra,p=1;
	scanf("%ld %d %d",&n,&c1,&c2);
	//scanf("%d",&c1);
	//scanf("%d",&c2);
	while (n!=0 || c1!=0 || c2!=0){

		nc = 0;
		p=1;
		np=n;
		while (n>0){

			cifra=n%10;
			if (cifra==c1) cifra=c2;
			nc+=cifra*p;
			p*=10;

			n/=10;

		}
		n=np;
		if (n==0 && c1==0) nc=c2;
		
		printf("%ld\n",nc);
		scanf("%ld %d %d",&n,&c1,&c2);
	} 
	


	return 0;
}