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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int v[20], fr[20];
inline void afisare()
{
for(int i=1; i<=n; i++)
fout << v[i] << " ";
fout << "\n";
}
inline void bkt(int k)
{
for(int i=1; i<=n; i++)
{
if(!fr[i])
{
fr[i]=1;
v[k]=i;
if(k<n)
bkt(k+1);
else
afisare();
fr[i]=0;
}
}
}
int main()
{
fin >> n;
bkt(1);
return 0;
}