#include <cstdio>

using namespace std;

int st[10],fol[10];
int n;
void back(int k){
    for(int i = 1; i <= n; i++){
        if(fol[i] == 0){
            fol[i] = 1;
            st[k] = i;

            if(k == n){
                for(int j = 1; j <= n; j++){
                    printf("%d ",st[j]);
                }
                printf("\n");
            }else
                back(k + 1);

            fol[i] = 0;
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back(1);
    return 0;
}