#include <cstdio>
#include <algorithm>

#define in "algsort.in"
#define out "algsort.out"
#define NMAX (500000 + 7)

using namespace std;
int n, val, H[NMAX], last;

void upHeap(const int &key)
{
    int p = key;
    while(p != 1)
    {
        if(H[p] < H[(p>>1)])
        {
            swap(H[p], H[p>>1]);
            p >>= 1;
        }
        else break;
    }
}
void downHeap(const int &key)
{
    int p = key;
    while(p <= last)
    {
        if((p<<1) > last) break;
        if(((p<<1)|1) > last)
        {
            if(H[p] <= H[p<<1]) break;
            swap(H[p], H[(p<<1)]);
            p = (p<<1);
            continue;
        }
        if(H[((p<<1)|1)] < H[(p<<1)])
        {
            if(H[p] <= H[((p<<1)|1)]) break;
            swap(H[p], H[((p<<1)|1)]);
            p = ((p<<1)|1);
            continue;
        }
        if(H[p] <= H[(p<<1)]) break;
        swap(H[p], H[(p<<1)]);
        p = (p<<1);
    }
}
void hPush(const int &value)
{
    H[++last] = value;
    upHeap(last);
}
void hPop()
{
    swap(H[1], H[last--]);
    downHeap(1);
}

int main()
{
    freopen(in, "r", stdin);
    freopen(out, "w", stdout);
    scanf("%d", &n);
    for(int i = 1; i<= n; ++i)
    {
        scanf("%d", &val);
        hPush(val);
    }
    while(last)
    {
        printf("%d ", H[1]);
        hPop();
    }
    printf("\n");
    return 0;
}