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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout("permutari.out");
int p,s[25],n,v[25];
void af()
{
for (int i=1;i<=n;++i)
{
fout << s[i] <<' ';
}
fout << '\n';
}
void bc(int k)
{
if (k==n+1)
{
af();
}
else
for (int i=1;i<=n;++i)
{
if (!v[i])
{
s[k]=i;
v[i]=1;
bc(k+1);
v[i]=0;
}
}
}
int main()
{
fin >> n;
bc(1);
return 0;
}