/* 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 Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		 // create 3 BigDecimal objects
      BigDecimal bg1, bg2, bg3;
 
      MathContext mc = new MathContext(4); // 2 precision
 
      bg1 = new BigDecimal("100.123");
      bg2 = new BigDecimal("50.56");
 
      // subtract bg1 with bg2 using mc and assign result to bg3
      bg3 = bg1.subtract(bg2, mc);
 
      String str = "The Result of Subtraction is " + bg3;
 
      // print bg3 value
      System.out.println( str );
	}
}

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