public class Thousands extends Expression {
    @Override
    public String one() { 
        return "M"; 
    }
    
    @Override
    public String four() { 
        return " "; 
    }
    
    @Override
    public String five() { 
        return " "; 
    }
    
    @Override
    public String nine() { 
        return " "; 
    }
    
    @Override
    public int multiplier() {
        return 1000; 
    } 
}
