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#include <fstream>
#include <vector>
#include <queue>
#define INF 1e9
using namespace std;
ifstream cin ("permutari.in");
ofstream cout ("permutari.out");
int n;
int sol[20];
bool ver[20];
void bkt(int k)
{
if (k-1==n)
{
for (int i=1;i<=n;i++)
cout<<sol[i]<<' ';
}
for (int i=1;i<=n;i++)
{
if (ver[i]==0)
{
sol[k]=i;
ver[i]=1;
bkt(k+1);
ver[i]=0;
}
}
}
int main()
{
cin>>n;
bkt(1);
return 0;
}