package main

import "fmt"

func main() {
	var n int
	fmt.Scan(&n)
	a := make([]int, n)
	for i := 0; i < n; i++ {
		fmt.Scan(&a[i])
	}
	for i := 0; i < 2*n-3; i++ {
		for p := 0; p < i; p++ {
			for q := p + 1; q < n; q++ {
				// log.Println(i, p, q)
				if p+q == i {
					if a[p] > a[q] {
						// log.Println(a[p], a[q])
						a[p], a[q] = a[q], a[p]
					}
				}
			}
		}
	}
	// sort.Ints(a)
	for i, b := range a {
		fmt.Print(b)
		if i < len(a)-1 {
			fmt.Print(" ")
		} else if i == len(a)-1 {
			fmt.Print("\n")
		}
	}
}