#include<stdio.h>

long sum[50000];

int main()
{
    long min = 0,ipx = 0,bestS = -1250000000,n,k,i,st,dr;

    freopen("secv2.in","r",stdin);
    freopen("secv2.out","w",stdout);
    
    scanf("%ld %ld",&n,&k);
    for(i = 0; i < n; i++)
      scanf("%ld",&sum[i]);
    
    for(i = 0; i < n; i++)
    {
       sum[i] += sum[i-1];
       
       if(bestS < sum[i] - min && i-ipx+1 >= k)
          bestS = sum[i] - min,st = ipx+1,dr = i;
       if(min > sum[i])
         min = sum[i],ipx = i;    
    }
    
    printf("%ld %ld %ld",st+1,dr+1,bestS);
    fclose(stdin); fclose(stdout);
    return 0;
}