/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
			String str = ";4564456445644564=1012101123456789?";
			byte lrc = 0x00;
			byte [] binaryValue = str.getBytes();
 
			for(byte b : binaryValue) {
 
				lrc ^= b;
			}
 
			// lrc msut be between 48 to 95
			lrc %= 48; 
			lrc += 48;
 
			System.out.println("LRC: " + (char) lrc);
	}
}

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