Standard Weight

import java.util.Scanner;

public class StandardWeight {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    System.out.print("身長 ? ");
    double height = in.nextDouble();
    in.close();
    System.out.println("標準体重: " + (height - 100.) * .9);
  }
}