#include <bits/stdc++.h>

using namespace std;

int main(){
  double A,B;
  cin >> A >> B;
  double ans = 0.0;
  ans = 100 - B/A*100;
  cout << ans << endl;
}
#include<iostream>
using namespace std;
int main()
{
	int x,y;
	cin>>x>>y;
	if(x>y)
	{
		if(y+3>x)
		{cout<<"Yes"<<endl;}
		else
		{cout<<"No"<<endl;}
	}
	else
	{
		if(x+3>y)
			{cout<<"Yes"<<endl;}
		else
		{cout<<"No"<<endl;}
	}

	return 0;
}