#include<algorithm>
using namespace std;
int n,k,a[50001];
void solve(){
    int i,st,dr,pozst,pozdr,max=-25000;
    scanf("%d%d",&n,&k);
    for(i=1; i<=n; ++i){
        scanf("%d",&a[i]);
        a[i]+=a[i-1];}
    for(st=0,dr=k; st+k<=n+2&&dr<=n; ++dr)
        if(a[dr]-a[st]<0)
            ++st;
        else if(a[dr]-a[st]>max&&st+k<n+2){
            max=a[dr]-a[st];
            pozst=st+1;
            pozdr=dr;}
    printf("%d %d %d",pozst,pozdr,max);}
int main(){
    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    solve();
    return 0;}