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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n, f[10], v[10];
void gen(int k)
{
int i;
if(k==n+1)
{
for(i=1;i<=n;i++)
fout << v[i] << ' ';
fout << '\n';
return;
}
for(i=1;i<=n;i++)
{
if(f[i]==0)
{
v[k]=i;
f[i]=1;
gen(k+1);
f[i]=0;
}
}
}
int main()
{
fin >> n;
gen(1);
return 0;
}