请求加强数据

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,m,a,b,ans=0;
	cin>>n>>m>>a>>b;
	if(a<b) swap(a,b);
	while(1){
		if((n-a<=0||m-b<=0)&&(n-b<=0||m-a<=0)) break;
		if(n>=m) n-=a,m-=b,ans++;
		else n-=b,m-=a,ans++;
	}
	cout<<ans<<endl;
	return 0;
}