#include <stdio.h>
#include <stdlib.h>
int st[9], n, aparitii[9];
void back(int k, FILE* g)
{   int i;
    if (k-1 == n)
    {
        for (i = 1; i <= n; i++)
        {
            fprintf(g,"%d ", st[i]);
        }
        fprintf(g,"\n");
    }
    else
    {
        for (i = 1; i <= n; i++)
        {
           if (aparitii[i] == 0)
            {
                st[k] = i;
                aparitii[i] = 1;
                back(k+1,g);
                aparitii[i] = 0;
            }
        }
    }
}
int main()
{
    FILE* f = fopen("permutari.in","r");
    FILE* g = fopen("permutari.out", "w");
    fscanf(f, "%d", &n);
    back(1, g);

    return 0;
}