#include <stdio.h>
#include <stdlib.h>
int a[10];
int n;

int ok(int j)
{
    int i;
    for(i = 1; i < j; i++)
        if(a[j] == a[i]) return 0;
    return 1;
}
void bkt(int j, FILE **write)
{
    int i;
    for(i = 1; i <= n; i++)
    {
        a[j] = i;
        if(ok(j))
            if(j == n)
        {
            for(int k = 1; k <= n; k++)
                fprintf(*write, "%d ", a[k]);
            fprintf(*write,"\n");
        }
        else bkt(j+1, write);
    }
}
int main()
{
    FILE *read = fopen("permutari.in", "r");
    FILE *write = fopen("permutari.out", "w");

    fscanf(read, "%d", &n);
    bkt(1, &write);
    fclose(read);
    fclose(write);
    return 0;
}