Digit Frequency

Your task is to find the frequency of each digit (0-9) in a given non-negative integer 'n'. You should return a dictionary where the keys are the digits and the values are the counts of those digits. Input Format: - A single line containing the integer 'n'. Output Format: - A dictionary with digits as keys and their frequencies as values. Example: Input: 1223334444 Output: {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 0, 6: 0, 7: 0, 8: 0, 9: 0}