#include<bits/stdc++.h using namespace std; int main(){ int a, b, c, d; cin >> a >> b >> c >> d; int price_in_jiao = a * 10 + b; int budget_in_jiao = c * 10 + d; int max_count = budget_in_jiao / price_in_jiao; cout << max_count << endl; return 0; }