import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String str = scanner.nextLine();
for(int i = str.length()-1;i>=0;i--){
if(str.charAt(i)==' '){
System.out.println(str.length()-i-1);
return;
}
}
System.out.println(str.length());
}
}