import java.math.BigInteger;  
    public class BigIntegerGCDExample1{  
    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);     
      
    }   
    }