#include<iostream>
#include<cstring>
#include<sstream>
using namespace std;
int main(){
string s,a,b;
getline(cin,s);
getline(cin,a);
getline(cin,b);
stringstream ssin(s);
string str;
while(ssin>>str)
{
if(str==a) cout<<b<<" ";
else
cout<<str<<" ";
}
return 0;
}