package main

import . "fmt"
import . "strings"
import sl "slices"
import "cmp"

const C rune = '…'
var S = string(C)

func main() {
	var s string
	Scan(&s)
	s = sl.MaxFunc(
		FieldsFunc(s, func(r rune) bool { return r != C }), 
		func(a,b string) int { return cmp.Compare(Count(a,S),Count(b,S)) },
	)
	Println(Count(s, S))
}