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