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#include <iostream>
#include <fstream>
std::ifstream in("permutari.in");
std::ofstream out("permutari.out");
using namespace std;
int n;
int sol[10];
bool viz[10];
void afis()
{
for(int i = 1; i<=n; i++)
out<<sol[i]<<" ";
out<<'\n';
}
void backt(int t)
{
if(t == n + 1)
{
afis();
}
else
{
for(int i = 1; i<=n ; i++)
{
if(viz[i] == 0)
{
viz[i] = 1;
sol[t] = i;
backt(t+1);
viz[i] = 0;
}
}
}
}
int main()
{
in>>n;
backt(1);
return 0;
}