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#include <iostream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int sol[1001],n;
bool folosit[20];
void afisare()
{
int i;
for(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++)
{
sol[p]=i;
if(!folosit[i])
{
folosit[i]=true;
sol[p]=i;
bkt(p+1);
folosit[i]= false;
}
}
}
int main()
{
in>>n;
bkt(1);
return 0;
}