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#include <iostream>
#include<fstream>
using namespace std;
int sol[100];
int uz[100];
int n;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void afisare() {
for(int i=0;i<n;i++)
fout<<sol[i]<<" ";
fout<<'\n';
}
void back(int nr) {
if(n==nr) afisare();
else {
for(int i=1;i<=n;i++)
{
if(!uz[i]) {
sol[nr] = i;
uz[i]=1;
back(nr+1);
uz[i]=0;
}
}
}
}
int main()
{
fin>>n;
back(0);
return 0;
}