package main

import . "fmt"

func main() {
	var s string
	Scan(&s)
	if check(s) {
		Println(200)
	} else {
		Println(400)
	}
}

func check(s string) bool {
	n := len(s)
	if n > 32 {
		return false
	}
	if s[0] == '_' || s[0] == '-' {
		return false
	}
	if s[n-1] == '_' || s[n-1] == '-' {
		return false
	}
	for _, ch := range s {
		if 'a' <= ch && ch <= 'z' {
			continue
		}
		if 'A' <= ch && ch <= 'Z' {
			continue
		}
		if '0' <= ch && ch <= '9' {
			continue
		}
		if ch == '_' || ch == '-' {
			continue
		}
		return false
	}
	return true
}