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#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
vector <bool> uz(10,false);
int v[10],s[10],n;
void afisare()
{
for(int i=1;i<=n;i++)
fout<<s[i]<<' ';
fout<<endl;
}
void gen(int k)
{
if(k==n+1)afisare();
else
for(int i=1;i<=n;i++)
if(!uz[i])
{uz[i]=true;
s[k]=i;
gen(k+1);
uz[i]=false;
}
}
int main()
{
fin>>n;
gen(1);
}