CoderByte challenge Check Nums

coderbyte_checkNums.java

import java.util.*; 
import java.io.*;

class Main {  
  public static String CheckNums(int num1, int num2) { 
    if (num1 < num2)
        return "true";
    else if (num1 > num2)
        return "false";
    else
        return "-1";
  } 
  
  public static void main (String[] args) {  
    // keep this function call here     
    Scanner s = new Scanner(System.in);
    System.out.print(CheckNums(s.nextLine())); 
  }   
  
}