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#include <iostream>
#include <fstream>
#define NMAX 500050
using namespace std;
ifstream fin("algsort.in");
ofstream fout("algsort.out");
int n,m,h[NMAX];
void add(int);
void citire(){
fin>>m;int x;
for(int i=1;i<=m;i++) {fin>>x; add(x);}
}
void up(int p){
if(p>1&&h[p/2]>h[p]){
swap(h[p],h[p/2]);
up(p/2);
}
}
void down(int p){
if(p*2+1<=n&&(h[p*2]<h[p]||h[p*2+1]<h[p]))
if(h[p*2]<h[p*2+1]){swap(h[p],h[p*2]); down(p*2);}
else {swap(h[p*2+1],h[p]);down(p*2+1);}
else if(p*2<=n&&h[p*2]<h[p]) swap(h[p],h[p*2]);
}
void del(int p){
swap(h[p],h[n]);
n--;
up(p);
down(p);
}
void add(int x){
h[++n]=x;
up(n);
}
int main()
{
citire();
for(int i=1;i<=m;i++){
fout<<h[1]<<" ";
del(1);
}
return 0;
}