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#include <iostream>
#include <fstream>
#include <vector>
#include <cmath>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, sol[10], viz[10];
void afisare()
{
for(int i=0; i<n; ++i)
fout<<sol[i]<<" ";
}
void back(int k)
{
if(k==n)
{
afisare();
fout<<"\n";
return;
}
for(int i=1; i<=n; ++i)
if(viz[i]==0)
{
sol[k]=i;
viz[i]=1;
back(k+1);
viz[i]=0;
}
}
int main()
{
fin>>n;
back(0);
return 0;
}