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#include <fstream>
#define ios ios_base::sync_with_stdio(false);
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int s[13],n;
bool valid(int x){
for (int k=1;k<x;k++) if (s[k]==s[x]) return 0;
return 1;
}
void afis(){
for (int t=1;t<=n;t++) cout<<s[t]<<" ";
cout<<'\n';
}
void gen(int j){
for (int i=1;i<=n;i++){
s[j]=i;
if (valid(j))
if (j==n) afis();
else gen(j+1);
}
}
int main()
{
cin.tie(0);
cout.tie(0);
cin>>n;
gen(1);
return 0;
}