题解 | #计算某字母出现次数#

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    String str = sc.nextLine().toUpperCase();
    String s = sc.nextLine().toUpperCase();
    System.out.println(str.length()-str.replace(s, "").length());
    }
}