static void contaDigitos(int a, int b)
	{
		int count = 0;
		char[] digitos = String.valueOf(a).toCharArray();
		for (char d : digitos) {
			if (Character.getNumericValue(d)==b) {
				count++;
			System.out.println("incr");}

	}
		System.out.println(count);
	}