#include <fstream>
#include <climits>
using namespace std;

ifstream cin("secv2.in");
ofstream cout("secv2.out");

int s[50005];

int main() {
    long long n, k,v[50005];

    cin>>n>>k;
    for(int i = 1; i <= n; i++)
    cin>>v[i];

    s[1] = v[1];
    for(int i = 2; i <= n; i++)
        s[i] = s[i - 1] + v[i];

    long long summax = LLONGMIN;
    int s = 1, d = k;
    int mi = 0;

    for(int j = k + 1; j <= n; j++)
    {
        if(s[j - k] < s[mi])
            mi = j - k;
        long long sum = s[j] - s[mi];
        if(sum > summax)
        {
            summax = sum;
            s = mi + 1;
            d = j;
        }
    }
    cout<<s<<" "<<d<<" "<<summax<<"\n";
}