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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari1.in");
ofstream fout("permutari1.out");
int n,x[8];
void Afis(){
for(int j=1; j<=n; j++){
fout<<x[j]<<" ";
}
fout<<endl;
}
bool Ok(int k){
for(int i=1; i<k; ++i){
if(x[k]==x[i]){
return false;
}
}
return true;
}
bool Solutie(int k){
return k==n;
}
void back(int k){
for (int i=1; i<=n; ++i){
if(Solutie(k)){
Afis();
}else{
back(k+1);
}
}
}
int main()
{
fin>>n;
back(1);
return 0;
}