#include<iostream>
#include<cstdio>
#include<cmath>
#include<string>
#include<cstring>
#include<algorithm>
using namespace std;
string a,b,c,word="";
int main()
{
	int l,i;
	getline(cin,a);
	cin>>b>>c;
	l=a.size();
	for(i=0;i<=l-1;i++)
	{
		if(a[i]==' ')
		{
			if(word==b)
			{
				cout<<c<<" ";
				word="";
				continue;
			}
			else
			{
				cout<<b<<" ";
				word="";
				continue;
			}	
		}
		word+=a[i];
	}
	return 0;
}