#include <stdio.h>
#include <stdlib.h>

int main(void) {
    int* a, i, k, n;
    n = 13;
    k = 4;
    a = (int*)malloc(n * sizeof(int));
    for (i = 0; i < n; ++i)
       a[i] = i + 1;
    for (i = 0; i < n; i ++)
       a[i] = a[i + i/(k-1)];
    for (i = 0; i < n - n/k ; i++)
       printf("%d ", a[i]);  
	return 0;
}