import java.util.*;
public class Study_01 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        int index = s.indexOf("ccw");
        int sL = s.length();
        int last = sL - index - 3;
        if(index > last){
        	System.out.println(last + 1);
        }else if(last > index){
        	System.out.println(index + 1);
        }else if(index == 0){
        	System.out.println(1);
        }
    }
}