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

#include <iostream>
#include <queue>
#define ll long long

using namespace std;

vector<int>erk(100000);
vector<int>tav(100000);

ll i, n, a, b, mt = -1, hossz, mhossz, fel, p1, p2, jobb, bal;
bool ok = false;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    cin >> n;

    for (i = 1; i <= n; ++i)
    {
        cin >> a >> b;
        ++erk[a];
        ++tav[b];
        if (b > mt) mt = b;
    }

    for (i = 1; i <= mt; ++i)
    {
        erk[i] += erk[i - 1];
        tav[i] += tav[i - 1];
    }

    fel = (n + 1) / 2;

    bal = 1;
    jobb = mt;
    mhossz = mt;
    for (jobb = 1; jobb <= mt; ++jobb)
    {
        while (bal <= jobb && erk[jobb] - tav[bal - 1] >= fel)
        {
            hossz = jobb - bal;
            if (hossz < mhossz)
            {
                mhossz = hossz;
                p1 = bal;
                p2 = jobb;
            }
            ++bal;
        }
    }

    cout << mhossz + 1 << endl << p1 << " " << p2;
}

/*
6
1 5
2 3
5 9
7 8
10 15
10 18
*/
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