/* 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
	{
		Scanner sc = new Scanner(System.in);
		while(sc.hasNextLine()) {
		  String line = sc.nextLine();
		  int wordCount = line.split("[^\\d\\p{IsAlphabetic}]+", 0).length;
		  System.out.printf("[%s] => %d%n", line, wordCount);
		}
	}
}

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

YWFhJCBhICQgNSBzciUKxbsmb2FjdXRlO8WCdGUsIGphc25lIHPFgm/FhGNlLgpEb20jIGtvdCAlIF4gJmFtcDs=

aaa$ a $ 5 sr%
Żółte, jasne słońce.
Dom# kot % ^ &