#include <stdio.h>
#define USED 1
#define NOT_USED 0

int N, A[16], P[16];

void generate(int k)
{
    if (k <= N)
    {
        for (int i = 1; i <= N; ++i)
        {
            if (P[i] == NOT_USED)
            {
                P[i] = USED;
                A[k] = i;
                generate(k+1);
                P[i] = NOT_USED;
            }
        }
    }
    else
    {
        for (int i = 1; i <= N; ++i)
        {
            printf("%d ", A[i]);
        }
        
        printf("\n");
    }    
}

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