#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; #include <iostream> using namespace std; int main() { int a, b, c, d; cin >> a >> b >> c >> d; int price = a * 10 + b; int total = c * 10 + d; cout << total / price << endl; return 0; }