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);
}
}