/* 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
	{
		StringBuilder sb = new StringBuilder();
        try (InputStreamReader isr = new InputStreamReader(System.in)) {
            StreamTokenizer st = new StreamTokenizer(isr);
            while (st.ttype != StreamTokenizer.TT_EOF) {
                if (st.nextToken() == StreamTokenizer.TT_WORD)
                    sb.replace(0, sb.length(), st.sval);
            }
            System.out.println(sb);
        } 
	}
}

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

SnVzdCBhIHN0cmluZyB3aXRoIHNwYWNlYmFycyBhZnRlciAgICA=

Just a string with spacebars after