#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

double scoreIT(string s){
	int score[26] = {};
	double total = 0;
	transform(s.begin(), s.end(), s.begin(), ::tolower);
	for(int i = 0; i < s.length(); i++){
		if(s[i] >= 'a' && s[i] <= 'z'){
			int index = s[i] - 'a';
			score[index]++;
		}	
	}

	for(int i = 0; i < 26; i++){
		if(score[i] > 0){
			cout << "score " << score[i] << endl;
			total += ((i + 1) * score[i]);
			cout << "total " << total << endl;
		}
	}	

	cout << "total " << total << endl;


	return total;
}




int main(){
	
	string first, second;


	while(cin >> first >> second){
		double score1 = scoreIT(first);
		double score2 = scoreIT(second);
		double total = 0;

		if(score1 >= score2){
			total = score2/score1;
		} else {
			total = score1/score2;
		}

		//total *= 1000.0;
		
		cout << total << endl;	

	}

	return 0;

}