题解 | #循环数比较#BigInter用法

import java.util.Scanner;
import java.math.*;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        String x1 = in.next();
        int k1 = in.nextInt();
        String x2 = in.next();
        int k2 = in.nextInt();
        StringBuilder res1 = new StringBuilder();
        StringBuilder res2 = new StringBuilder();
        for(int i=0;i<k1;i++){
            res1.append(x1);
        }
        for(int i=0;i<k2;i++){
            res2.append(x2);
        }
        BigInteger r1 = new BigInteger(res1.toString());
        BigInteger r2 = new BigInteger(res2.toString());
        int flag = r1.compareTo(r2);
        if(flag==1){
            System.out.println("Greater");
        }else if(flag==0){
            System.out.println("Equal");
        }else{
            System.out.println("Less");
        }
    }
}