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#include <fstream>
using namespace std;
ifstream cin ("permutari.in");
ofstream cout ("permutari.out");
int n, use[12], sol[12];
void afisare()
{
for(int i=1; i<=n; i++)
cout << sol[i] << ' ';
cout << '\n';
}
void perm(int k)
{
int i, j;
if (k==n+1)
afisare();
else
{
for(i=1; i<=n; i++)
if(use[i]==0)
{
use[i]=1;
sol[k]=i;
perm(k+1);
use[i]=0;
}
}
}
int main()
{
cin >> n;
perm(1);
return 0;
}