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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,fr[11],nr[11];
void bkt(int k)
{
if(k<=n)
{
for(int i=1;i<=n;i++)
{
if(fr[i]==0)
{
nr[k]=i;
fr[i]=1;
bkt(k+1);
fr[i]=0;
nr[k]=0;
}
}
return;
}
else
{
for(int i=1;i<=n;i++)
{
fout<<nr[i]<<' ';
}
fout<<'\n';
return;
}
}
signed main()
{
fin>>n;
bkt(1);
}