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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int x[10], viz[10];
int n;
void afisare()
{
int i;
for(i=1;i<=n;++i) fout<<x[i]<<" ";
fout<<"\n";
}
void back(int k)
{
int i;
for(i=1;i<=n;++i)
if(viz[i]==0)
{
viz[i]=1;
x[k]=i;
if(k==n) afisare();
else back(k+1);
viz[i]=0;
}
}
int main()
{
fin>>n;
back(1);
return 0;
}