#include <bits/stdc++.h>
using namespace std;
ifstream fin("arhitectura2.in");
ofstream fout("arhitectura2.out");
int n,a[2000001];
int main()
{
fin >> n;
for(int i=1;i<=n;i++)
fin >> a[i];
sort(a+1,a+1+n,greater<int>());
for(int i=1;i<=n;i++)
fout << a[i] << " ";
fout << endl;
for(int i=1;i<=n;i++)
if((a[i-1]+a[i+1])%2==0 and (a[i-1]+a[i+1])/2==a[i])
fout << 1 << " ";
else
fout << 0 << " ";
return 0;
}