#include <stdio.h>
void sliding_window_sum(int arr[], int n, int k) {
// Your logic her
int sum,count;;
for(int i=0;i<=n-k;i++)
{
count=0;
sum=0;
for(int j=i;j<n;j++)
{
count++;
sum=sum+arr[j];
if(count==k)
break;
}
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;
}