from typing import List
def convert_input_to_int_list(input_str: str, delimiter: str="\n") -> List:
input_list: List = input_str.split(delimiter)
number_list: List = []
for item in input_list:
number_list.append(int(item))
return number_list
def solve_puzzle(input_str: str, delimiter: str="\n") -> int:
visited_frequencies = []
number_list: List = convert_input_to_int_list(input_str, delimiter)
print(f"Test case: {number_list}")
current_frequency: int = 0