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

int main()
{
	int N;
	cin >> N;
	int maa = INT32_MIN;
	int mia = INT32_MAX;
	int mi = INT32_MAX;
	int last = INT32_MIN;
	for( int i = 0; i < N; i++ ) {
		int a;
		cin >> a;
		if( last == INT32_MIN ) last = a;
		else {
			int d = a - last;
			if( d < mi ) mi = d;
			last = a;
		}
		if( a > maa ) maa = a;
		if( a < mia ) mia = a;
	}

	cout << mi << endl;
	cout << maa - mia << endl;
}