4月18日

编程题：9
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int a = scanner.nextInt();
int b = scanner.nextInt();
int c = scanner.nextInt();
if (a == b) {
System.out.println("C");
} else if (a == c) {
System.out.println("B");
} else {
System.out.println("A");
}
}
}