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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n,v[10], fr[10];
void afisare(){
for(int i=1;i<=n;i++){
out<<v[i]<<" ";
}
out<<endl;
}
void gen(int j){
for(int i=1;i<=n;i++){
if(fr[i]==0){
v[j]=i;
fr[i]=1;
if(j==n){
afisare();
fr[i]=0;
return;
}else{
gen(j+1);
fr[i]=0;
}
}
}
}
int main()
{
in>>n;
gen(1);
in.close();
out.close();
}