#include <bits/stdc++.h>
using namespace std;
int n,a[100010],x,num=0;
int main() {
cin >> n;
while (cin >> x) {
a[num++] = x;
}
sort(a, a + num + 1);
for (int i = 2; i <= num; i++)
{
if ((a[i] - 2) == a[i - 1]){cout << a[i] - 1<<" ";break;}
}
for (int i = 2; i <= num; i++)
{
if (a[i] == a[i - 1]){cout << a[i]<<endl;break;}
}
}