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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N, st[10];
bool d[10];
void Afis()
{
for(int i = 1; i <= N; i++)
fout << st[i] << ' ';
fout << '\n';
}
void bk(int nivel)
{
for(int i = 1; i <= N; i++)
if(!d[i])
{
d[i] = 1;
st[nivel] = i;
if(nivel == N)
Afis();
else
bk(nivel + 1);
d[i] = 0;
}
}
int main()
{
fin >> N;
bk(1);
return 0;
}