#include<stdio.h>   
#define MAXN 500001   
  
long pA,pB,REZ,N,L,V[MAXN],deque[MAXN];   
long poz[MAXN],X[MAXN];   
  
void citesteDate(){   
     long i;   
     freopen("secventa.in","r",stdin);   
     scanf("%ld %ld",&N,&L);   
     for (i=1;i<=N;i++)   
         scanf("%ld ",&V[i]);   
     fclose(stdin);
}   
  
void proceseaza(){   
     long i,j,s1=1,s2=1;   
     for (i=1;i<=N;i++){   
         while (s1<=s2 && deque[s2]>V[i]) s2--;   
         s2++;   
         deque[s2]=V[i];   
         poz[s2]=i;   
         while (s1<=s2 && i-poz[s1]>=L) s1++;   
         //s1--;   
         if (i>=L)
            if (REZ<deque[s1]){REZ=deque[s1];pA=poz[s1];pB=i;}   
    }   
}   
  
void afiseazaRez(){   
     freopen("secventa.out","w",stdout);   
     printf("%ld %ld %ld\n",pA,pB,REZ);   
}   
  
int main(){   
    citesteDate();   
    proceseaza();   
    afiseazaRez();   
return 0;   
}