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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n,ap[10],x[10];
void bkt(int k)
{
if (k==n+1)
{
for (int i=1; i<=n; i++)
fout<<x[i]<<' ';
fout<<'\n';
}
for (int v=1; v<=n; v++)
if (!ap[v])
{
x[k]=v;
ap[v]=true;
bkt(k+1);
ap[v]=false;
}
}
int main()
{
fin>>n;
bkt(1);
return 0;
}