#include <stdio.h>
void sliding_window_sum(int arr[], int n, int k) {
// Your logic here
for (int i=0; i<=(n-k); i++)
{
int sum = 0;
for (int j=i; j<i+k;j++)
{
sum += arr[j];
}
printf("%d ",sum);
}
}
int main() {
int n, k, arr[100];
scanf("%d %d", &n, &k);
for (int i = 0; i < n; i++) scanf("%d", &arr[i]);
sliding_window_sum(arr, n, k);
return 0;
}