解题思路:
注意事项:
参考代码:
import java.util.Scanner;
public class The130 {
public static void main(String[]args){
Scanner sc=new Scanner(System.in);
while(sc.hasNext()){
String s1=sc.nextLine().replaceAll("[^a-zA-Z]","");
System.out.print(s1.length());
}
}
}
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