// No.656 ゴルフ
package main

import (
	"fmt"
)

func CalcScores(scores []int) int {
	sum := 0
	for _, s := range scores {
		if s == 0 {
			sum += 10
		} else {
			sum += s
		}
	}
	return sum
}

func main() {
	s := make([]int, 9)
	for i := 0; i < len(s); i++ {
		fmt.Scanf("%1d", &s[i])
	}
	fmt.Println(CalcScores(s))
}