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