#include <cstdio>
#define MAXN 50100
int s[MAXN], n, k, maxim, pin, pout;
void citire()
{
    int i, x;
    scanf("%d%d", &n, &k);
    for(i=1;i<=n;++i)
    {
        scanf("%d", &x);
        s[i]=s[i-1]+x;
    }
}
void rezolva_problema()
{
    int i,j;
    citire();
    s[0]=0; maxim=0;
    for(i=1;i<=n-k;++i)
    {
        for(j=i+k;j<=n;++j)
            if(s[j]-s[i]>maxim)
            {
                maxim=s[j]-s[i-1];
                pin=i;
                pout=j;
            }
    }
    printf("%d %d %d\n", pin, pout, maxim);
}
int main()
{
    freopen("secv2.in", "r", stdin);
    freopen("secv2.out", "w", stdout);
    rezolva_problema();
    return 0;
}