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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,i,k,sol[10];
char a[10];
void afisare()
{
int i;
for(i=1;i<=n;i++)
g<<sol[i]<<" ";
g<<"\n";
}
void back(int k)
{
int i;
if(k>n) afisare();
else {
for(i=1;i<=n;i++)
{
if(a[i]==false)
{
sol[k]=i;
a[i]=true;
back(k+1);
a[i]=false;
}
}
}
}
int main()
{ f>>n;
back(1);
return 0;
}