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