///╭━━━━┳╮╱╱╱╱╱╱╱╭╮╱╱╭━━━╮/////////
///┃╭╮╭╮┃┃╱╱╱╱╱╱╱┃┃╱╱┃╭━╮┃////////
///╰╯┃┃╰┫╰━┳━━┳━╮┃╰━╮┃╰━━┳━━┳━╮╭━━╮
///╱╱┃┃╱┃╭╮┃╭╮┃╭╮┫╭╮┃╰━━╮┃╭╮┃╭╮┫╭╮┃
///╱╱┃┃╱┃┃┃┃╭╮┃┃┃┃┃┃┃┃╰━╯┃╭╮┃┃┃┃╰╯┃
///╱╱╰╯╱╰╯╰┻╯╰┻╯╰┻╯╰╯╰━━━┻╯╰┻╯╰┻━╮┃
///╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╭━╯┃
///╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╱╰━━╯
 
 
#include<bits/stdc++.h>
using namespace std;
 
#define endl "\n"
#define maxn 100000
 
int n;
 
struct pt
{
    int fr;
    int val;
};
pt a[maxn];
bool cmp(pt x, pt y)
{
    return x.val < y.val;
}
void process()
{
    cin >> n;
    for(int i = 1; i <= n ; i++)
    {
        cin >> a[i].val;
        a[i].fr = i;
    }
    sort(a + 1, a + n + 1, cmp);
    int l = 1, r = n;
    while(l <= r)
    {
        if(a[l].fr < a[r].fr)
        {
            cout << l << " " << r << endl;
            cout << a[r].val - a[l].val;
            break;
        }
        if(a[l].fr >= r)
        {
            l++;
        }
        else r--;
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    process();
}

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