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#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, x[10]; bool f[10];
void Afisare()
{
for(int i=1; i<=n; ++i)
fout<<x[i]<<' ';
fout << '\n';
}
void Back(int k)
{
if(k>n){
Afisare();
return;}
for(int i=1; i<=n; ++i)
if(!f[i]){
x[k]=i;
f[i]=1;
Back(k+1);
f[i]=0;
}
}
int main()
{
fin >> n;
Back(1);
fin.close();
fout.close();
return 0;
}