#include <cstdio>

using namespace std;

int n;
int a[20];
int viz[20];

void afis(){
    for(int i = 0; i < n; ++ i){
        printf("%d ", a[i]);
    }
    printf("\n");
}

void back(int k){
    if(k == n){
        afis();
        return;
    }
    for(int i = 1; i <= n; ++ i){
        if(viz[i] == 0){
            viz[i] = 1;
            a[k] = i;
            back(k + 1);
            viz[i] = 0;
        }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);

    scanf("%d", &n);
    back(0);

    return 0;
}