// Length of the months (non-leap years)

public class Days5 {

  public static void main(String[] args) {
    int mth = Integer.parseInt(args[0]);
    int year = Integer.parseInt(args[1]);
    System.out.println("Måned " + mth + " har længde " + monthlen(mth,year) + " i år " + year);
  }

  static int monthlen(int mth, int year) {
    switch (mth) {
    case 1: case 3: case 5: case 7: case 8: case 10: case 12:
      return 31;
    case 2:
      if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))
	return 29;
      else
	return 28;
    case 4: case 6: case 9: case 11:
      return 30;
    default: 
      return 0;
    }
  }
}