public class Functionality {

	public static void main(String[] args) {

	}
	public static String stringMean(String a){
		String f = "";
		if(a.length() > 0){
			int b = a.length();
			int c = 0;
			while(b>0){
				c = c + (int)a.charAt(b-1);
				b=b--;
			}
			double d = c / a.length();
			int e = (int)Math.round(d);
			f = Integer.toString(e);
		}
		return f;
	}
}