def congruence(x):
    list_nums = []
    list_index = []
    
    for index in range(x):
        m = random.randint(1, 1000) * 2
        a = random.randint(1, 1000) * 2 + 1
        x0 =random.randint(1, 1000) * 2 + 1
        x_i = (a * x0 - 1) % m
        r_i = x_i / m 
        print( r_i, index)
        list_nums.append(r_i)
        list_index.append(index)
        
    return list_nums, list_index


def random_(x):
    list_nums = []
    list_index = []
    
    for index in range(x):
        m = random.random()
        print(m, index)
        list_nums.append(m)
        list_index.append(index)
        
    return list_nums, list_index


tuple_cords_congruence = congruence(int(input('Конгруэнтный метод. Введите число: ')))
tuple_cords_random = random_(int(input('Рандомный метод. Введите число: ')))
print(tuple_cords_congruence)
print(tuple_cords_random)