#include<bits/stdc++.h>
using namespace std;
#define N 2020
typedef long long ll;
const long double PI=acosl(-1.0L);
ll n,m;
long double dp[N][N];
long double Get(ll n){
	if(!n)return 0;
	return n*logl(n)-n+0.5*logl(2*n*PI);
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.setf(ios::fixed);
	cout.precision(10);
	cin>>n>>m;
	if(n<=1000&&m<=1000){
		for(int i=0;i<=n;++i){
			for(int j=0;j<=m;++j){
				if(!i){
					dp[i][j]=powl(2.0L,j);
				}
				else if(!j){
					dp[i][j]=powl(2.0L,i);
				}
				else{
					long double X=dp[i-1][j],Y=dp[i][j-1];
					dp[i][j]=2.0*X*Y/(X+Y);
				}
			}
		}
		if(dp[n][m]>1e9){
			cout<<"Extreme Wealth\n";
			return 0;
		}
		cout<<dp[n][m]<<'\n';
		return 0;
	}
	long double X=logl(2.0L)*(n+m);
	long double Y=Get(n+m)-Get(n)-Get(m);
	if(X-Y>30||exp(X-Y)>1e9){
		cout<<"Extreme Wealth\n";
		return 0;
	}
	cout<<exp(X-Y)<<'\n';
	return 0;
}