Least Majority Multiple

using System;

class LeastMajorityMultiple
{
    static void Main()
    {
        uint a = uint.Parse(Console.ReadLine());
        uint b = uint.Parse(Console.ReadLine());
        uint c = uint.Parse(Console.ReadLine());
        uint d = uint.Parse(Console.ReadLine());
        uint e = uint.Parse(Console.ReadLine());
        uint counter = 0;
        uint i = 0;
        do
        {
            counter = 0;
            i++;
            if (i % a == 0)
            {
                counter++;
            }
            if (i % b == 0)
            {
                counter++;
            }
            if (i % c == 0)
            {
                counter++;
            }
            if (i % d == 0)
            {
                counter++;
            }
            if (i % e == 0)
            {
                counter++;
            }
        }
        while (counter < 3);
        Console.WriteLine(i);
    }
}