package test1;

public class Answer {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		int count_happyday = 0;
		
		for(int month=1; month<13; month++){

			//31日まである
			if((month == 1)||(month == 3)||(month == 5)||(month == 7)||(month == 8)||(month == 10)||(month == 12)){
				for(int day10=1; day10<4; day10++){
						for(int day1=1; day1<32; day1++){
							if(month == day10 + day1){
							count_happyday++;
						}
					}
				}
			}

			//28日まである
			if(month == 2){
				for(int day10=1; day10<3; day10++){
					for(int day1=1; day1<29; day1++){
						if(month == day10 + day1){
							count_happyday++;
						}
					}
				}
			}

			//30日まである
			if((month == 4)||(month == 6)||(month == 9)||(month == 11)){
				for(int day10=1; day10<4; day10++){
					for(int day1=1; day1<31; day1++){
						if(month == day10 + day1){
							count_happyday++;
						}
					}
				}
			}
		}

			System.out.print(count_happyday);

	}
}