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#include <fstream>
using namespace std;
int n, x[9];
bool F[9];
ifstream f("permutari.in");
ofstream g("permutari.out");
void afis()
{
for(int i = 1; i <= n; i++)
g << x[i] << ' ';
g << '\n';
}
void bt(int k)
{
if(k <= n)
for(int i = 1; i <= n; i++)
{
if(F[i] == 0)
{
x[k] = i;
F[i] = 1;
bt(k + 1);
F[i] = 0;
}
}
else
afis();
}
int main()
{
f >> n;
bt(1);
f.close();
g.close();
return 0;
}