> #include <iostream>
> #include <math.h>
> using namespace std;
> int main()
> {
> 	float x1,y1,x2,y2,temp;
> 	cin>>x1>>y1>>x2>>y2;
> 	while(x1||y1||x2||y2)
> 	{
> 		if(x1<y1) {temp=x1;x1=y1;y1=temp;}
> 		if(x2<y2) {temp=x2;x2=y2;y2=temp;}
> 		temp=float(x2/x1)>float(y2/y1)?float(y2/y1):float(x2/x1);
> 		if(temp>=1) temp=1;
> 		else if(temp<0.01) temp=0.01;
> 		cout<<floor(temp*100)<<"%"<<endl;
> 		cin>>x1>>y1>>x2>>y2;	
> 	}
> 	return 0;
> }