using System;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        var inp = Console.ReadLine();
        var indexC = inp.IndexOf("c");
        var indexW1 = inp.IndexOf("w", indexC);
        var indexW2 = inp.IndexOf("w", indexW1 + 1);
        //Console.WriteLine(indexC);
        //Console.WriteLine(indexW1);
        //Console.WriteLine(indexW2);

        if (indexC == 0)
        {
            var extractionString = inp.Substring(indexC, indexW2);
            var ans = extractionString.Count();
            Console.WriteLine(ans + 1);

        }
        else
        {
            var extractionString = inp.Substring(indexC, indexW2 - indexC);
            var ans = extractionString.Count();
            Console.WriteLine(ans + 1);
        }
    }
    public void CheckStrChiwawa(string chiwawa)
    {
    }
}

/*
ilovechiwawa
wachiwachi
chiwaaaaaaamikawayadeeeeesu
wcwcwcwcwcwcwcwcwcwcwc
ccwwccw
 */