/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.Math;
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
	{
       MathContext deltaRoundContext = new MathContext(2);
       Scanner in = new Scanner(System.in);
       while(in.hasNextBigDecimal()) {
          BigDecimal x = in.nextBigDecimal();
          BigDecimal dx = in.nextBigDecimal().round(deltaRoundContext);
          int significatDigits = x.precision()-x.scale()+dx.scale();
          BigDecimal rounded = BigDecimal.ZERO;
          if (significatDigits>0) {
                MathContext roundContext = new MathContext(significatDigits);
                rounded = x.round(roundContext);
          }
          System.out.println("Original=" + x + "  rounded=" + rounded + "  ±" + dx);
       }
	}
}

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MTAwLjcgMTAKMTAwLjcgMWUxCjEwMC43IDExCjEwMC43IDEuMWUxCjEwMC43IDkuOQoxMjEyLjMgMQoxMjEyLjMgMi4zCjEyMTIzLjMyMzEgMC4wMwowLjAwMDEgMC41CjAuMDAwNSAwLjAwMDAwMzI=

100.7 10
100.7 1e1
100.7 11
100.7 1.1e1
100.7 9.9
1212.3 1
1212.3 2.3
12123.3231 0.03
0.0001 0.5
0.0005 0.0000032