#include <iostream>
#include <algorithm>
#include <string>

using ll = long long;
using ull = unsigned long long;


// Функции для решения задачи
namespace func{
    ull gcd(ll a, ll b) {
        return b == 0 ? llabs(a): gcd(b, a % b);
    }

    ull lcm(ll a, ll b) {
      return llabs(a) / gcd(a, b) * llabs(b);
    }
    // Проверка на целое число
    bool validateNumber(std::string &number) {
      return find(begin(number), end(number), '.') == end(number);
    }
}


int main() {
    int n;
    std::cin >> n;
    std::string prev, next;
    std::cin >> prev;
    if (!func::validateNumber(prev)) {
        std::cout << "Sequence has float values!";
        return 0;
    }


    for (int i = 0; i < n - 1; i++) {
        std::cin >> next;
        if (!func::validateNumber(next)) {
          std::cout << "Sequence has float values!";
          return 0;
        }
        prev = std::to_string(func::lcm(std::stoll(next), std::stoll(prev)));
    }

    std::cout << prev;
}