public static void main(String[] args) {

        String liczba = "-134567";
        char[] arr = liczba.toCharArray();
        int[] arr2 = new int[arr.length];
        int lengthArr2 = arr.length;
        for (int i = 0; i < arr.length; ++i) {
            if (arr[i] == '-') {
                arr2[i] = -1 * Character.getNumericValue(arr[i + 1]);
                lengthArr2--;
            }

            arr2[i] = Character.getNumericValue(arr[i]);
        }
        int distance = 100000;
        for (int j = 0; j < lengthArr2; ++j) {
            if (Math.abs(arr2[j]) < Math.abs(distance)) {
                distance = arr2[j];
            }
        }

        System.out.println(distance);

    }