Guess Birthdays in Java

/*
Problem: Guess birthdays:
You can find out the date of the month when your friend was born by asking five questions.
Each question asks whether the day is in one of the five sets of numbers.
*/

import java.util.Scanner;

public class GuessBirthday {
public static void main(String[] args) {
String set1 =
" 1 3 5 7\n" +
" 9 11 13 15\n" +
"17 19 21 23\n" +
"25 27 29 31\n";

String set2 =
" 2 3 6 7\n" +
"10 11 14 15\n" +
"18 19 22 23\n" +
"26 27 30 31";

String set3 =
" 4 5 6 7\n" +
"12 13 14 15\n" +
"20 21 22 23\n" +
"28 29 30 31";

String set4 =
" 8 9 10 11\n" +
"12 13 14 15\n" +
"24 25 26 27\n" +
"28 29 30 31";

String set5 =
"16 17 18 19\n" +
"20 21 22 23\n" +
"24 25 26 27\n" +
"28 29 30 31";

int day = 0;

Scanner input = new Scanner(System.in);//Create Scanner object

System.out.print("Is your birthday in Set1?\n");//Prompt the user to answer questions
System.out.print(set1);
System.out.print("\nEnter 0 for No and 1 for yes: ");
int answer1 = input.nextInt();

if (answer1 == 1)
day += 1;

System.out.print("Is your birthday in Set2?\n");//Prompt the user to answer questions
System.out.print(set2);
System.out.print("\nEnter 0 for No and 1 for yes: ");
int answer2 = input.nextInt();

if (answer2 == 1)
day += 2;

System.out.print("Is your birthday in Set3?\n");//Prompt the user to answer questions
System.out.print(set3);
System.out.print("\nEnter 0 for No and 1 for yes: ");
int answer3 = input.nextInt();

if (answer3 == 1)
day += 4;

System.out.print("Is your birthday in Set4?\n");//Prompt the user to answer questions
System.out.print(set4);
System.out.print("\nEnter 0 for No and 1 for yes: ");
int answer4 = input.nextInt();

if (answer4 == 1)
day += 8;

System.out.print("Is your birthday in Set5?\n");//Prompt the user to answer questions
System.out.print(set5);
System.out.print("\nEnter 0 for No and 1 for yes: ");
int answer5 = input.nextInt();

if (answer5 == 1)
day += 16;

System.out.println("\nYour birthday is " + day + "!");
}
}