#include <iostream> using namespace std; void afis (int N , int C1 , int C2) { int p=1,sum=0,l=0,i,v[15]; if (N==0 && C1==0) { cout<<C2; cout<<'\n'; return; } while (N) { v[++l]=N%10; N/=10; if (v[l]==C1) v[l]=C2; } for (i=1;i<=l;i++) { sum=sum+(p*v[i]); p*=10; } cout<<sum; cout<<'\n'; } int main() { int n,c1,c2; while (1) { cin>>n>>c1>>c2; if (n==0 && c1==0 && c2==0) return 0; afis(n,c1,c2); } }