#include <stdio.h>

int val[10001];
int n, k;

int main()
{
	int i, j;
//	freopen("PKU2527.in", "r", stdin);
	while (scanf("%d %d", &n, &k) != -1 && n != -1 && k != -1)
	{
		for (i = 0; i <= n; i++)
		{
			scanf("%d", &val[i]);
		}
		for (i = n; i >= k; i--)
		{
			if (val[i] == 0)
			{
				continue;
			}
			val[i - k] -= val[i];
			val[i] = 0;
		}
		i = n;
		while (val[i] == 0 && i > 0)
		{
			i--;
		}
		for (j = 0; j < i; j++)
		{
			printf("%d ", val[j]);
		}
		printf("%d\n", val[i]);
	}
	return 0;
}