#include <iostream>
#include <cstdio>
#include <string>

using namespace std;
int n;
bool ver[10];
string out;
void bt(int p)
{
    if(p==n)
    {
        cout<<out<<"\n";
        return ;
    }
    for(int i=1;i<=n;i++)
    {
        if(!ver[i])
        {
            out=out+(char)(i+'0')+" ";
            ver[i]=1;
            bt(p+1);
            ver[i]=0;
            out.erase(2*p);
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d", &n);
    bt(0);
    return 0;
}