using System;
class Resistor {
    double R;
	double maxP;
    public Resistor(double R, double maxP) {
        this.R = R;
		this.maxP=maxP;
    }
    public double GetCurrent(double U) {
        return U / R;
    }
    public double GetPower(double U) {
        return GetCurrent(U) * U;
    }
	public bool IsAllowedVoltage(double U){
		if(GetPower(U)>maxP){return false;}
		return true;
	}
}

public class ResistorRun4 {
    public static void Main(String[] args) {
        Resistor R1 = new Resistor(220, 0.5);
        Console.WriteLine(R1.GetPower(5));
        Console.WriteLine(R1.IsAllowedVoltage(5));
        Console.WriteLine(R1.IsAllowedVoltage(50));
    }
}