import java.util.Scanner;
public class Length {
public static void main(String[] args) {
while(true){//多行输入
Scanner scanner = new Scanner(System.in);
String nexLine = scanner.nextLine();//一行数据,包含空格,末尾的空格也包含了,但是题目中限制末尾无空格
int num = nexLine.length();
for (int i = num - 1; i >= 0; i--) {
if(i==0){
System.out.println(num);
}
if(nexLine.charAt(i) == ' ') {
System.out.println(num - i - 1);
break;
}
}
}
}
}