分支-05. 用天平找小球

import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
Scanner ball = new Scanner(System.in);
String balls = ball.nextLine();
String[] b = balls.split(" ");
if(b.length == 3)
{
int b1 = Integer.parseInt(b[0]);
int b2 = Integer.parseInt(b[1]);
int b3 = Integer.parseInt(b[2]);
if(b1==b2 || b1==b3 || b2==b3)
{
if(b1==b2)
System.out.print("C");
else
{
if(b1==b3)
System.out.print("B");
else
System.out.print("A");
}
}
else
System.out.print("Input error!");
}
}
}