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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int sol[100],n;
bool folosit[20];
void afisare()
{
for(int i=1;i<=n;i++)
out<<sol[i]<<" ";
out<<'\n';
}
void bkt(int p)
{
if(p-1==n)
afisare();
else
for(int i=1;i<=n;i++)
{
if(!folosit[i])
{
folosit[i]=true;
sol[p]=i;
bkt(p+1);
folosit[i]=false;
}
}
}
int main()
{
in>>n;
bkt(1);
}