// Síkság.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <set>
using namespace std;
int tomb[100001];
int main()
{
    int n,x,most,max=0,z,kez=1,veg=1,kezmax,kezveg;
    cin >> n;
    cin >> x;
    multiset<int> multiset;
    multiset.insert(x);
    tomb[1] = x;
    for (int i = 2; i <= n; i++)
    {
        cin >> x;
        tomb[i] = x;
        if ((x - *multiset.begin() == 0 or x - *multiset.begin() == 1 or x - *multiset.begin() == -1) and (*multiset.rbegin() - x != 2 and *multiset.rbegin() - x != -2) ) {
            multiset.insert(x);
            //cout << "fel" << " " << x << endl;
        }

        else
        {
            //cout << "ennyi" ;
            //cout << i << " ";
            most = multiset.size()-1;
            if (most > max) {
                max = most;
                kez= i-(multiset.size()-1);
                veg = i;
                max = most;
            }                
            z = *multiset.begin();
            multiset.erase(tomb[i- multiset.size()+1]);
            multiset.insert(x);
            //cout << *multiset.rbegin() << endl;
        }
    }
    cout << max<<" ";
    cout << kez<< " ";
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

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//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file