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#include <iostream>
#include <fstream>
using namespace std;
#define ll unsigned long long
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int viz[10],n,v[10];
void afisare(){
for(int i=1;i<=n;i++){
fout<<v[i]<<" ";
}
fout<<"\n";
}
void backtr(int k){
if(k<=n){
for(int i=1;i<=n;i++){
v[k]=i;
if(viz[v[k]]==0){
viz[v[k]]=1;
backtr(k+1);
viz[v[k]]=0;
}
}
}
else
afisare();
}
int main()
{
fin>>n;
backtr(1);
return 0;
}