#include<bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 0x3f3f3f3f;
const int N = 1e5 + 10;
int a [N] , n , m;
signed main(){
	    cin >> n;
	    for (int i = 1; i <= n; i++)
	    {
	    	scanf ("%d" , &a[i]);
		}
		cin >> m;
	    sort(a + 1 , a + 1 + n);
	    int l = 1 , r = n;
	    while(l <= r)
		{
		    if(a [l] + a [r] == m)
			{
			    cout << a [l] << " " << a [r];
			    return 0;
		    }
		    else
			{
			    if(a[l] + a[r] < m)
				{
				   l++;
			    }
			    else
				{
				   r--;
			    }
		}
	}
	cout << "No";
	return 0;
}