#include <iostream> using namespace std; int main() { int a, b; cin >> a >> b; int bought = b / a; // 使用位运算：除以3相当于右移2位再调整 // bought / 3 = bought * 0.333... ≈ (bought * 85) >> 8 int freeChicken = (bought * 85) >> 8; // 近似计算 cout << bought + freeChicken << endl; return 0; }