import strutils

let monthes: seq[int] = @[1,2,3,4,5,6,7,8,9,10,11,12]
let days: seq[int] = @[0,31,28,31,30,31,30,31,31,30,31,30,31]
var count: int = 0

proc suujiwa(day: int):int =
  if 1 <= day and day <= 9:
    result = day
  else:
    var ten: int = (day/10).int
    var one: int = day mod 10
    result = ten + one

for month in monthes:
  for day in 1..days[month]:
    if suujiwa(day) == month:
      count += 1

echo count