#include <stdio.h>

#define Nmax 9

int n;
int st[Nmax], used[Nmax];

inline void write()
{
    for (int i = 1; i <= n; ++i)
        printf("%d ", st[i]);
    printf("\n");
}

void back(int k)
{
    if (k == n + 1)
        write();
    else{
        for (int i = 1; i <= n; ++i)
            if (!used[i]){
                used[i] = 1;
                st[k] = i;
                back(k + 1);
                used[i] = 0;
            }
    }
}

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

    scanf("%d", &n);
    fclose(stdin);
    back(1);
    fclose(stdout);

    return 0;
}