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#include <bits/stdc++.h>
using namespace std;
ifstream fin("secv2.in");
ofstream fout("secv2.out");
int main()
{
int i, j, n, k, x, st, dr;
long long s=INT_MIN, sol=INT_MIN;
fin>>n>>k;
for(i=1; i<=n; i++) {
fin>>x;
(s<=0 ? (s=x, j=i) : s+=x);
if(s>sol && i-j+1>=k) {
sol=s;
st=j;
dr=i;
}
}
fout<<st<<' '<<dr<<' '<<sol;
return 0;
}