java版

import java.util.Scanner;

class Main{
    public static void main(String[] args) {
        Scanner  sc = new Scanner(System.in);
        String a = sc.nextLine();
        String b = sc.nextLine();
        int result = a.compareToIgnoreCase(b);
        //compareTo()是比较字符串大小
        //compareToIgnoreCase同理，但是可以忽略大小写
        if (result < 0) {
            System.out.println("<");
        }
        else if (result > 0) {
            System.out.println(">");
        } 
        else {
            System.out.println("=");
        }
    }
}