import java.util.Scanner;

public class main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String met = sc.nextLine();
        double val = sc.nextDouble();
        int account = sc.nextInt();
        double out;
        if(met.equals("deposit")){
        out = 1000 + val;
        }
        if(met.equals("withdraw")){
        out = 1000 - val;
        }
        if(out<0 || val<0){
            System.out.print("Invaild input");
        }
        else{
             System.out.print(out);
        }
    }
}