import java.util.Scanner;
import java.time.LocalDate;
import java.time.DayOfWeek;

public class calendario {
    public static void main (String[] args){
        int ano, mes;
        Scanner leitor = new Scanner(System.in);
        System.out.printf("Ano: ");
        ano = leitor.nextInt();
        System.out.printf("Mes: ");
        mes = leitor.nextInt();

        System.out.println();

        System.out.println("Seg Ter Qua Qui Sex Sab Dom");
        LocalDate data = LocalDate.of(ano, mes, 1);
        DayOfWeek dia = data.getDayOfWeek();

        for (int i=1; i < dia.getValue(); i++){
            System.out.printf("    ");
        }

        while( data.getMonthValue() == mes){
            System.out.printf("%d", data.getDayOfMonth());
            if (data.getDayOfMonth() < 10){
                System.out.printf("   ");
            }else{
                System.out.printf("  ");
            }
            dia = data.getDayOfWeek();
            if (dia.getValue() == 7)
                System.out.println();
            data = data.plusDays(1);
        }
        System.out.println();
    }
}