#include <cstdio>

#define NMAX 17

using namespace std;

int v[NMAX], Ap[NMAX];
int n;

void Back(int k){
    if(k == n + 1){
        for(int i = 1; i <= n; ++i)
            printf("%d ", v[i]);
        printf("\n");
    }
    else
        for(int i = 1; i <= n; ++i){
            v[k] = i;
            if(k <= n && Ap[i] == 0){
                Ap[i] = 1;
                Back(k + 1);
                Ap[i] = 0;
            }
        }
}

int main(){
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d", &n);
    Back(1);
    return 0;
}