/* 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 text, key;
	    byte[] result = new byte[1000];
 
	    text = "12345678";
	    key = "1 2 3 4 ";
 
	    for (int i = 0; i < text.length(); i++) {
	        byte[] text_byte = text.getBytes();
	        byte[] key_byte = key.getBytes();
 
	        result[i] = (byte) (text_byte[i] + key_byte[i]);
	        String c_str = new String(result);
 
	        System.out.print(c_str);
	        result[i] = 0;
	    }
 
	    System.out.println();
	}
}

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