import java.io.*;
import java.util.*;
public class CoinPurse {
private double ammount;
public CoinPurse(){
setAmmount(.35);
}
public CoinPurse(double a){
setAmmount(a);
}
public void setAmmount(double v){
ammount = v;
}
public void addTo(Coin c) {
setAmmount(ammount + c.getAmmount());
}
public void removeTo(Coin d) {
setAmmount(ammount - d.getAmmount());
}
public void addTo() {
setAmmount(ammount + .1);
}
public void removeTo() {
setAmmount(ammount - .1);
}
public double getAmmount(){
return ammount;
}
}