import java.math.BigInteger;  
public class BigIntegerGCDExample2{  
public static void main(String[] args){  
// create 2 BigInteger objects  
BigInteger big1= new BigInteger("-12");    
BigInteger big2= new BigInteger("-10");    
// get the gcd value of BigInteger big1,big2  
BigInteger  bigVal= big1.gcd(big2);    
String str="GCD of "+big1+ " and " +big2+  " is " + bigVal;  
System.out.println(str); 
}   
}