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#include <fstream>
#include <iostream>
using namespace std;
ifstream f ("permutari.in");
ofstream g("permutari.out");
int st[9],n;
int valid (int k)
{
int i=1;
for (i=1;i<k;i++)
if (st[i]==st[k]) return 0;
return 1;
}
void afis (int n)
{
int i=1;
for (i=1;i<=n;i++)
cout<<st[i]<<" ";
cout<<"\n";
}
void bt (int k)
{
for (st[k]=1;st[k]<=n;st[k]++)
if (valid(k))
if (k==n) afis(n);
else bt(k+1);
}
int main()
{
cin>>n;
bt(1);
return 0;
}