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#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n;
int v[10];
int f[10];
void solve ()
{ for(int i=1;i<=n;i++)
cout<<v[i]<<" ";
cout<<'\n';
}
void submultimi(int pos)
{
if(pos==n+1)
{
solve();
return;
}
for(int i=1;i<=n;i++)
{
if(!f[i])
{
v[pos]=i;
f[i]=1;
submultimi(pos+1);
f[i]=0;
}
}
}
int main()
{
cin>>n;
submultimi(1);
return 0;
}