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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n;
int v[9];
bool ok(int k)
{
for (int i=1;i<k;i++)
if (v[i]==v[k])
return 0;
return 1;
}
void bkt(int k)
{
for (int i=1;i<=n;i++)
{
v[k]=i;
if (ok(k))
{
if (k==n)
{
for (int j=1;j<=n;j++)
g<<v[j]<<" ";
g<<"\n";
}
else
bkt(k+1);
}
}
}
int main()
{
f>>n;
bkt(1);
return 0;
}