Perket

def solve(ingredients):
    ingredients = [list(map(int, ing.split(','))) for ing in ingredients.split(';')]
    n = len(ingredients)
    min_diff = float('inf')
    for mask in range(1, 1 << n):
        sour = 1
        bitter = 0
        for i in range(n):
            if mask & (1 << i):
                sour *= ingredients[i][0]
                bitter += ingredients[i][1]
        min_diff = min(min_diff, abs(sour - bitter))
    print(min_diff)