fn main() {
    let mut buf = String::new();
    let mut input = {
        use std::io::Read;
        std::io::stdin().read_to_string(&mut buf).unwrap();
        buf.split_whitespace()
    };

    let n: usize = input.next().unwrap().parse().unwrap();
    let a: Vec<i64> = (0..n)
        .map(|_| input.next().unwrap().parse().unwrap())
        .collect();

    let min = (0..(n - 1)).map(|i| a[i + 1] - a[i]).min().unwrap();
    let max = a[n - 1] - a[0];

    println!("{}", min);
    println!("{}", max);
}