P2

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package summerp1;


import java.util.*;
import java.io.*;

public class four {

    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    static StringTokenizer st;
    static int N,M;
    static long n[],m[];
    static String temp;
    public static void main(String[] args)throws IOException {
        N = readInt();
        n = new long [N+2];
        for(int i = 1; i <= N+1; i++)n[i] = readLong();
        M = readInt();
        m = new long [M+2];
        for(int i = 1; i <= M+1; i++)m[i] = readLong();
        if(N < M){
            long t[] = n;
            n = m;
            m = t;
        }
        double mid = 0, m = 0;
        double difference = Integer.MAX_VALUE;
        int a = readInt(), b = readInt();
        for(int i = a; i <= b; i++){
            //System.out.println(Math.abs(f(i)-g(i))+" "+f(i)+" "+g(i)+" "+i);
            if(Math.abs(f(i)-g(i)) < difference){
                mid = i;
                difference = Math.abs(f(i)-g(i));
                //System.out.println(difference+" "+i);
            }
        }
        temp = Integer.toString((int)mid);
        String key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+"."+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp = temp + "." + key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        key = "";
        difference = Integer.MAX_VALUE;
        for(int i = 0; i < 10; i++){
            String temp2 = temp+Integer.toString(i);
            double temp3 = Double.parseDouble(temp2);
            if(Math.abs(f(temp3)-g(temp3)) < difference){
                key = Integer.toString(i);
                difference = Math.abs(f(temp3)-g(temp3));
            }
        }
        temp += key;

        System.out.println(temp);
        //System.out.println(f(Double.parseDouble(temp))+" "+g(Double.parseDouble(temp)));
    }
    static double f(double mid){
        double f = 0;
        for(int i = 1; i <= N+1; i++){
            if(i == N+1){f += n[i]; break;}
            f += (double)Math.pow(mid, N-i+1) * n[i];
        }
        return f;
    }
    static double g(double mid){
        double g = 0;
        for(int i = 1; i <= M+1; i++){
            if(i == M+1){g += m[i]; break;}
            g += (double)Math.pow(mid, M-i+1) * m[i];
        }
        return g;
    }
    static int check(double mid){
        double f = 0, s = 0;
        for(int i = 1; i <= N+1; i++){
            if(i == N){f += n[i]; break;}
            f += (double)Math.pow(mid, N-i) * n[i];
        }
        for(int i = 1; i <= M+1; i++){
            if(i == M){f += m[i]; break;}
            s += (double)Math.pow(mid, M-i) * m[i];
        }
        if(f > s){
            return 1;
        }
        else return 2;
    }
    static String next () throws IOException {
		while (st == null || !st.hasMoreTokens())
			st = new StringTokenizer(br.readLine().trim());
		return st.nextToken();
	}
	static long readLong () throws IOException {
		return Long.parseLong(next());
	}
	static int readInt () throws IOException {
		return Integer.parseInt(next());
	}
	static double readDouble () throws IOException {
		return Double.parseDouble(next());
	}
	static String readLine () throws IOException {
		return br.readLine().trim();
	}

}