package Test1;
import java.util.*;
public class FindChar {
    public static void main(String[]args) {
        Scanner input = new Scanner(System.in);
        ArrayList<String> word = new ArrayList<String>();
        //ArrayList<String> letter = new ArrayList<String>();
        int i = 0;
        int value = 0;
        int done = 0;

        String worde = input.next();
        //String[] words = new String[50];

        while(input.hasNext()) {

            word.add(input.next());

            System.out.println("hi " +word.get(done));
                done++;
            }

                Character firstword = word.get(0).charAt(0);
                System.out.println(firstword);
                for (i = 0; i<word.size();i++) {
                    System.out.println("hi " +word.get(i));
                    for(int x = 1; x < word.size(); x ++) {
                        Character compare = word.get(i).charAt(x);
                        System.out.println("hi " +word.get(x));
                        if(Character.toLowerCase(compare)==Character.toLowerCase(firstword)) {
                            value++;
                        }
                    }

                    System.out.println(value);


                }

        input.close();
    }
}