package main

import (
    "fmt"
    "strconv"
)

var calendar2015 = map[int]int{
    1: 31,
    2: 28,
    3: 31,
    4: 30,
    5: 31,
    6: 30,
    7: 31,
    8: 31,
    9: 30,
    10: 31,
    11: 30,
    12: 31,
}

func checkHAPPYDAY(m, d int) bool {
    s := 0
    for _, r := range fmt.Sprintf("%v", d) {
        i, _ := strconv.Atoi(string(r))
        s += i
    }
    if m == s {
        return true
    }
    return false
}

func main() {
    i := 0
	for m := 1; m <= 12; m++ {
	    for d := 1; d <= calendar2015[m]; d++ {
	        if checkHAPPYDAY(m, d) {
	            i++
	        }
	    }
	}
	fmt.Println(i)
}