#include <stdio.h>
 
int x[50100];
 
int main()
{
    int N, K, i, sum = 0, sum2 = 0, min = 1 << 30, idx;
    int sol = (1 << 30) * (-1), first, last;
     
    freopen("secv2.in", "r", stdin);
    freopen("secv2.out", "w", stdout);
     
    scanf("%d%d", &N, &K);
    for (i = 1; i <= N; i ++)
    {
        scanf("%d", &x[i]);
         
        sum += x[i];
        if (i >= K)
        {
            sum2 = sum2 + x[i - K];
            if (sum2 < min)
                min = sum2, idx = i - K + 1;
            if (sum - min > sol)
                sol = sum - min, first = idx, last = i;
        }
    }
     
    printf("%d %d %d", first, last, sol);
    return 0;
}