A1

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int A = sc.nextInt(); int B = sc.nextInt(); int b100 = B / 100; // 백의 자리 숫자 3 int b10 = (B - b100*100) / 10; // 십의자리 숫자 int b1 = (B - b100*100 - b10*10) / 1; // 일의 자리 숫자 System.out.println(A*b1); System.out.println((A*b10)); System.out.println((A*b100)); System.out.println(..

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); double a = sc.nextDouble(); double b = sc.nextDouble(); System.out.println(a / b); } }

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a = sc.nextInt(); int b = sc.nextInt(); System.out.println(a - b); } }

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int a = sc.nextInt(); int b = sc.nextInt(); System.out.println(a + b); } }

public class Main { public static void main(String[] args) { System.out.println("Hello World!"); } }​