/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.nio.charset.StandardCharsets;
 
import com.google.common.io.BaseEncoding;
 
/* 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
	{
		BaseEncoding baseEncoding = BaseEncoding.base64().omitPadding();
		String foo = "blah";
		String encodedAppId = "YW16bjEuYXBwbGljYXRpb24uUGhvdG9zRXhwZXJpZW5jZVZlZ2FGcmFtZQ";
		byte[] bytes = baseEncoding.decode(encodedAppId);
        String appId = new String(bytes, StandardCharsets.UTF_8);
        System.out.println(appId);
	}
}

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