least majority multiple

def least_majority(a, b, c, d, e):
    list_ = [a, b, c, d, e]
    resulting_divisibles = 0
    multiple = min(list_)
    while True:
        multiple += 1
        resulting_divisibles = 0
        for el in list_:
            if multiple % el == 0:
                resulting_divisibles += 1
        if resulting_divisibles >= 3:
            return multiple

input_1 = int(input())
input_2 = int(input())
input_3 = int(input())
input_4 = int(input())
input_5 = int(input())

print(least_majority(input_1, input_2, input_3, input_4, input_5))