题解 | #计算某字母出现次数#

import java.util.*;
public class Main{
    public static void main(String [] args){
        /*Scanner sc=new Scanner(System.in);
        while(sc.hasNext()){
            String s=sc.nextLine().toLowerCase();
            String str=sc.next().toLowerCase();
            int count=0;
            for(int i=0;i<s.length();i++){
                if(str.equals(s.charAt(i)+"")){
                    count++;
                }
            }
            System.out.println(count);
        }*/
        
        /*Scanner sc=new Scanner(System.in);
        while(sc.hasNext()){
            char[] ch=sc.nextLine().toLowerCase().toCharArray();
            String str=sc.next().toLowerCase();
            int count=0;
            for(int i=0;i<ch.length;i++){
                if(str.equals(ch[i]+"")){
                    count++;
                }
            }
            System.out.println(count);
        }*/
        
        Scanner sc=new Scanner(System.in);
        while(sc.hasNext()){
            String s=sc.nextLine().toLowerCase();
            Character ch=sc.nextLine().charAt(0);
            int count =0;
            for(int i=0;i<s.length();i++){
                if(Character.toLowerCase(ch)==s.charAt(i)){
                    count++;
                }
            }
            System.out.println(count);
        }
    }
}