#include <bits/stdc++.h>   using namespace std;   long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     long long n, a, b, p, q;     cin >> n >> a >> b >> p >> q;     long long someGcd = gcd(a, b);     long long lcm = a * b / someGcd;     long long max = (p > q) ? p : q;     if (p > q) {       long long counta = p * (n / a);       long long countb = q * (n / b) - q * (n / lcm);       cout << counta + countb;     } else {       long long counta = p * (n / a) - p * (n / lcm);       long long countb = q * (n / b);       cout << counta + countb;     }   }   