package yukicoder;

import java.util.GregorianCalendar;
public class Yuki9 {
	
	public static void main(String[] args){		
		GregorianCalendar gc = new GregorianCalendar(2015, 0, 1);
		String str = "";
		int count = 0;
		while(gc.get(gc.YEAR) < 2016) {
			//System.out.println("while="+gc.get(gc.YEAR) + "年" +  (gc.get(gc.MONTH ) + 1) + "月" +  gc.get(gc.DATE) + "日");
			str = String.valueOf(((gc.get(gc.DATE))));
			int dayTotal = 0;
			for (int i = 0; i < str.length(); i++ ) {
				dayTotal += ((int)(str.charAt(i))%48);
			}
			if(Integer.valueOf((gc.get(gc.MONTH) + 1)) == dayTotal){
				count++;
			}
			dayTotal = 0;
			gc.add(gc.DATE, 1);
		}
		System.out.println(count);
	}
}