#include<stdio.h>
#include<algorithm>
#define maxn 50005
#define inf 0x3f3f3f3f
using namespace std;

int n,m,sol=-inf,L,R,pos;
int s[maxn];

void read()
{
    int x;
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&x);
        s[i]=s[i-1]+x;
    }

    int Min=inf;
    for(int i=m;i<=n;i++)
    {
        if(Min>s[i-m]) Min=s[i-m],pos=i-m;
        if(s[i]-Min>sol)
            sol=s[i]-Min,L=pos+1,R=i;
    }
}

int main()
{
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);

    read();
    printf("%d %d %d",L,R,sol);

    fclose(stdin);
    fclose(stdout);
    return 0;
}