题目

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str = sc.nextLine();
		int res = 0;
		for(int i=0;i<str.length();i++) {
			char c = str.charAt(i);
			if(c!=' ' && c!='\n') {
				res++;
			}
		}
		System.out.println(res);
	}
}