import math

INPUT_FILE = "input.txt"

problems: list[list[int]] = []

with open(INPUT_FILE, 'r') as file:
    lines: list[str] = file.readlines()

problems = [ [] for _ in range(len(lines[0].split())) ]

# Prepare all problems
for line in lines[:-1]:
    for i, n in enumerate([ int(n.strip()) for n in line.split() ]):
        problems[i].append(n)

operations: list[str] = lines[-1].split()

total = 0
for i, problem in enumerate(problems):
    operation: str = operations[i]

    if operation == '+':
        total += sum(problem)
    elif operation == '*':
        total += math.prod(problem)

print(f'Total Value: {total}')