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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int v[10];
int c[10];
int n;
void f(int poz)
{
if(poz == n + 1)
{
for(int i = 1; i <= n; i ++)
out << v[i] << " ";
out << '\n';
}
for(int i = 1; i <= n; i ++)
{
if(c[i] == 0)
{
c[i] = 1;
v[poz] = i;
f(poz + 1);
c[i] = 0;
}
}
}
int main()
{
in >> n;
f(1);
return 0;
}