public static void main(String[] args)  {
		
		int sayi = 235852;
		
		String a = Integer.toString(sayi);
		
		System.out.println(ayir(a));
				
		}
		
		
	public static String ayir(String a){
		String result = "";
		for(int i=a.length()-1,b=1;i>=0;i--,b++){
			result += a.charAt(i);
			if(b%3==0 && i!=0)
				 result += ",";		
	}
		return new StringBuffer(result).reverse().toString();
		
		
	}