#include <bits/stdc++.h>

using namespace std;

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

int n,k,s,smax,indice,inc,sf,ss;
int v[50005];

int main()
{
    in>>n>>k;
    for (int i = 1; i <= n; ++i)
        in>>v[i];
    int st = 1;
    for(int i = 1;i <= n;i++)
    {
        if(s < 0)
        {
            s = v[i];
            st = i;
        }
        else
            s += v[i];
        if(s > smax && i - st+1 >= k)
        {
            inc = st;
            sf = i;
            smax = s;
        }
        ss += v[i];
    }
    if (k == n) {out<<1<<" "<<n<<" "<<ss; return 0;}
    out<<inc<<" "<<sf<<" "<<smax;
    return 0;
}