func_code_string: #include <bits/stdc++.h>   using namespace std;   void Debug(vector<int> v) {     for (int i : v) {       cerr << i <<    ;     }   }   void Debug(int a[]) {     for (int i = 0; i < 5; i++) {       cerr << a[i] <<    ;     }   }   void Debug(int a) { cerr << a; }   void Debug(string a) { cerr << a; }   void Debug(long long a) { cerr << a; }   void Debug(unsigned long long a) { cerr << a; }   void Debug(float a) { cerr << a; }   void Debug(double a) { cerr << a; }   void Debug(char a) { cerr << a; }   int32_t main() {     int64_t l;     cin >> l;     int64_t a, b;     cin >> a >> b;     int64_t speed = a + b;     double time = (double)l / speed;     cout << time * a;     return 0;   }   