package main

import . "fmt"

func main() {
	var s string
	Scan(&s)
	var dp [9][4]int
	dp[0][0]=1
	for i,c:=range s {
		var x int
		switch c {
			case 'l','o':
			x=1
			case 'a','s':
			x=2
		}
		for k,v:=range dp[i][:] {
			dp[i+1][k|x]+=v
		}
	}
	Println(dp[8][3])
}