public class Test {


	public static boolean isPalindrome(String str) {
	    return str.equals(new StringBuilder(str).reverse().toString());
	}

	public static void main(String []args) {
		int a = 2;
		int b = 10;
		int max = 40;

		int sum = 0;

		for (int i = 0; i < max; i++) {
			String x = Integer.toString(i, a);
			String y = Integer.toString(i, b);
			if (isPalindrome(x) && isPalindrome(y)) {
				sum += i;
			}
		}

		System.out.println(sum);
	}
}