#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,x,y,a[110],i;
	cin>>n>>x>>y;
	for(i=0;i<n+1;i++)
	{
		cin>>a[i];
		if(a[i]==x)
		{
			i++;
			a[i]=y;
		}
	}
	for(i=0;i<n+1;i++)
	{
		cout<<a[i]<<" ";
	}
	return 0;
}
/**************************************************************
	Problem: 1217
	User: dengyuanyan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/