#include<stdio.h> #include<string.h> #include<stdlib.h> using namespace std; char s[100]; int c1, c2, i, ls, g; int main() { while (1) { scanf("%s %ld %ld",s,&c1,&c2); if(s[0] == '0' && s[1] == 0 && c1 == 0 && c2 == 0) break; ls=strlen(s); g=0; for (i=0;i<ls;i++) { if (s[i]-'0'==c1) s[i]=c2+'0'; } printf("%d\n",atoi(s)); } return 0; }