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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int pus[15];
int v[15];
int n;
void _back_(int poz)
{
if(poz > n)
{
for(int i = 1; i <= n; i++)
out << v[i] << " ";
out << "\n";
return;
}
for(int i = 1; i <= n; i++)
{
if(pus[i] == 0)
{
pus[i] = 1;
v[poz] = i;
_back_(poz + 1);
pus[i] = 0;
}
}
return;
}
int main() {
in >> n;
_back_(1);
return 0;
}