package main

import . "fmt"
import "time"

func main() {
	t,_:=time.Parse("2006-01-02","2015-01-01")
	h:=0
	for i:=0;i<365;i++ {
		m:=t.Month()
		d:=t.Day()
		d=d/10+d%10
		if int(m)==d {
			h++
		}
		t=t.AddDate(0,0,1)
	}
	Println(h)
}