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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("permutari.in")
ofstream fout ("permutari.out")
int v[8], uz[8], n;
void afis(){
for(int i=1; i<=n; i++) fout<<v[i]<<" ";
fout<<endl;
}
void bkt(int k){
if(k==n+1){
afis();
return;
}
for(int i=1;i<=n;i++){
if(uz[i]==0){
v[k]=i;
uz[i]=1;
bkt(k+1);
uz[i]=0;
}
}
}
int main()
{
fin>>n;
bkt(1);
return 0;
}