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#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n;
int sol[10];
bool visit[10];
void print ()
{
for(int i=1; i<=n; i++)
fout<<sol[i]<<" ";
fout<<"\n";
}
void backt (int k)
{
if(k==n+1)
{
print();
return;
}
for(int i=1; i<=n; i++)
{
if(!visit[i])
{
sol[k]=i;
visit[i]=1;
backt(k+1);
visit[i]=0;
}
}
}
int main()
{
fin>>n;
backt(1);
return 0;
}