#include<bits/stdc++.h>
using namespace std;
int main(){
	map<char,int> mp;
    string str;
	getline(cin, str);
	int maxc = 0;
	char maxch;
	for(auto it:str){
		if(isalpha(it)){
			char c = tolower(it);
			mp[c]++;
			if(maxc < mp[c]){
				maxc = mp[c];
				maxch = c;
			}	
		}	
	}
	cout << maxch << " " << maxc;
    return 0;
}