/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Main {
	public static void main(String[] args) {
		System.out.println("欢迎关注！");
		BigDecimal d1 = new BigDecimal(10);
		System.out.println(d1.toString());
		BigDecimal d2 = new BigDecimal("12");
		System.out.println(d2.compareTo(d1)<=0);
	}
}

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