import std.algorithm;
import std.array;
import std.conv;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

T read(T)() { return readln.chomp.to!T; }
T[] reads(T)() { return readln.split.to!(T[]); }
alias readint = read!int;
alias readints = reads!int;

void main() {
    readint;
    auto xs = readints;

    int minDist = int.max;
    int maxDist = int.min;
    for (int i = 0; i < xs.length; i++) {
        for (int j = i + 1; j < xs.length; j++) {
            minDist = min(minDist, abs(xs[i] - xs[j]));
            maxDist = max(maxDist, abs(xs[i] - xs[j]));
        }
    }
    writeln(minDist);
    writeln(maxDist);
}