(SPOJ) 2606 - Frota de Táxi - Solução

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

class Main {
    public static void main(String[] args) throws NumberFormatException, IOException {
        Main processando = new Main();
        processando.processa();
       
        System.exit(0);
    }
   
    void processa() throws NumberFormatException, IOException {
        Scanner scan = new Scanner(System.in);
       
        String line = scan.nextLine();
        StringTokenizer tokenizer = new StringTokenizer(line);

        Double pGasolina = Double.parseDouble(tokenizer.nextToken())*100;
        Double pAlcool = Double.parseDouble(tokenizer.nextToken())*100;
        Double gPLitro = Double.parseDouble(tokenizer.nextToken())*100;
        Double aPLitro = Double.parseDouble(tokenizer.nextToken())*100;
       
        if (gPLitro/pGasolina <= aPLitro/pAlcool) {
            System.out.println("G");
        }
        else {
            System.out.println("A");
        }
               
        return;
    }
}