#include <bits/stdc++.h>
using namespace std;

int A[ 1010 ];

int main()
{
int i;
int N;
int iMin;
int iMax;

	ios::sync_with_stdio( false );
	cin.tie( 0 );

	cin >> N;

	for( i = 0; i < N; i++ ) cin >> A[ i ];

	sort( A, A + N );

	iMax = A[ N - 1 ] - A[ 0 ];
	iMin = iMax;
	for( i = 1; i < N; i++ )
		iMin = min( iMin, A[ i ] - A[ i - 1 ] );

	cout << iMin << endl;
	cout << iMax << endl;

	return 0;
}