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

int main(){
    vector <int> num;
    int i, p, q, N, tmp;

    cin >> N;
    for(i = 0; i < N; i++){
        cin >> tmp;
        num.push_back(tmp);
    }

    for(i = 1; i < 2*N - 3; i++){
        if(i <= N - 1){
            p = 0;
            q = i;
        }else{
            q = N - 1;
            p = i - (N - 1);
        }
        while(1){
            if(num[p] > num[q]){
                tmp = num[p];
                num[p] = num[q];
                num[q] = tmp;
            }
            if(q - p == 1 || q - p == 2)    break;
            p++;
            q--;
        }
    }

    for(i = 0; i < N; i++){
        printf("%d ", num[i]);
    }
    printf("\n");

    return 0;
}