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#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,v[10];
void afis(int k)
{
int i;
for(i=1;i<=n;i++)
cout<<v[i]<<" ";
cout<<'\n';
}
bool valid(int k)
{
int i;
for(i=1;i<k;i++)
if(v[i]==v[k])return 0;
return 1;
}
void back(int k)
{
for(v[k]=1;v[k]<=n;v[k]++)
if(valid(k))
if(k==n)afis(k);
else back(k+1);
}
int main()
{
cin>>n;
back(1);
cin.close();
cout.close();
return 0;
}