#include <iostream>
#include <cstdio>

using namespace std;
int s[50005],n,k,x;
int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    scanf("%d %d\n%d", &n,&k,&s[1]);
    for(int i=2;i<=n;i++)
    {
        scanf(" %d", &x);
        s[i]=s[i-1]+x;
    }
    int sm=s[k], ps=1,pf=k,vs=0;
    for(int i=1;i<=n-k;i++)
    {
        if(sm<s[i+k]-vs)
        {
            sm=s[i+k]-vs;
            pf=i+k;
        }
        if(vs>s[i])
        {
            vs=s[i];
            ps=i+1;
        }
    }
    printf("%d %d %d", ps, pf,sm);
    return 0;
}