#include <bits/stdc++.h>
using namespace std;
#define int long long
// #define LL long long
#define endl '\n'

map<char, int> mp;

void solve()
{
	char c;
	while (cin >> c)
	{
		if (cin.eof()) break;
		mp[c]++;
	}

	char res1;
	int res2 = 0;
	for (char i = 'a'; i <= 'z'; i++)
	{
		if (mp[i] > res2)
		{
			res1 = i;
			res2 = mp[i];
		}
	}

	cout << res1 << endl << res2;
}

signed main()
{
	ios::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);

	solve();

	return 0;
}