<?php
$happyDay=0;
for($month=1;$month<=12;$month++){
  for($day_10=0;$day_10<=3;$day_10++){
    for($day_1=0;$day_1<=9;$day_1++){
      if($month==2&&$day_10>=2&&$day_1>=9){
          break;
      }elseif(($month==4||$month==6||$month==9||$month==11)&&$day_10>=3&&$day_1>=1){
          break;
      }elseif($day_10>=3&&$day_1>=2){
          break;
      }else if($month==$day_10+$day_1){
        $happyDay++;
      }
      
    }
  }
}

echo $happyDay;


?>