func_code_string: #include <bits/stdc++.h>   using namespace std;   int gcd(int a, int b) {     while (a != 0 && b != 0) {       if (a > b)         a %= b;       else         b = b % a;     }     return a + b;   }   int main() {     int k, l, m, n, d;     cin >> k >> l >> m >> n >> d;     int ans = 0;     for (int i = (1); i < (d + 1); i++)       if (i % k == 0 || i % l == 0 || i % m == 0 || i % n == 0) ans++;     cout << ans << endl;     return 0;   }   