#include<stdio.h>
using namespace std;
int main()
{
    int i,n,t,a,s=-1,best=-2000000,inceput,sfarsit;
    freopen("ssm.in","r",stdin);
    freopen("ssm.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;++i){
        scanf("%d",&t);
        if(s<0) {s=t;a=i;}
        else s+=t;
        if(best<s) {best=s;inceput=a;sfarsit=i;}
    }
    if(!best) printf("-1 %d %d",n,n);
    else printf("%d %d %d",best,inceput,sfarsit);
    fclose(stdin);fclose(stdout);
    return 0;
}