public class EllipticCurve {

    public long a;
    public long b;
    public long p;
   
    public EllipticCurve(long a, long b, long p) {
        this.a = a;
        this.b = b;
        this.p = p;
    }
   
    public EllipticCurve(EllipticCurve E) {
        this.a = E.a;
        this.b = E.b;
        this.p = E.p;
    }
   
	public String toString() {
		String t = "E(F_" + p + ") : "; 
		String s = "y^2 = x^3 + ";
		if(a == 0)
			;
		else if(a == 1)
			s += "x + ";
		else
			s += a + "x + ";
		s += b;
		if(b == 0) {
			if(a == 0)
				s = s.substring(0, s.indexOf('3') + 1);
			else
				s = s.substring(0, s.indexOf('x', 8) + 1);
		}
		return t + s;
	}
   
    public String forParsing() {
        return a + " " + b + " " + p;
    }
}