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