#include<iostream>
using namespace std;
#include<fstream>
ifstream f("doc1.txt");
int c1,c2,n;
void replace(int &n,int c1,int c2)
{
	int k=1;
	while(k<n)
	{
		if(n/k%10==c1)
			n=(n/(k*10)*10+c2)*k+n%k;
		k*=10;
	}
}
int main()
{
	while(!f.eof())
	{
		f>>n>>c1>>c2;
		if(n!=0)
		{
			replace(n,c1,c2);
			cout<<n<<endl;
		}
	}
}