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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n, m, sol[10];
bool c[10];
void afis()
{
for (int i = 1; i <= n; i++)
g << sol[i] <<' ';
g << '\n';
}
void bkt(int p)
{
if (p - 1 == n)
{
afis();
return;
}
for (int i = 1; i <= n; i++)
if (!c[i])
{
sol[p] = i;
c[i] = true;
bkt(p+1);
c[i] = false;
}
}
int main()
{
f >> n;
bkt(1);
f.close();
g.close();
return 0;
}