private static void method499(char ac[]) {
		boolean flag = true;
		for (int j = 0; j < ac.length; j++) {
			char c = ac[j];
			if (isLetter(c)) {
				if (flag) {
					if (isLowerCaseLetter(c))
						flag = false;
				} else if (isUpperCaseLetter(c))
					ac[j] = (char) ((c + 97) - 65);
			} else {
				flag = true;
			}
		}
	}