// editor5
#include<iostream>
#include<cmath>
#include<iomanip>
using namespace std;
class projectile {
    private:
    double initial_velocity;
    double angle;
    const double g = 9.81;
    public:
    projectile(double v , double a){
        initial_velocity = v;
        angle = a;
    }
    void computeAndPrintHeight(){
        if(initial_velocity < 0 || angle < 0 ||angle > 90){
            cout << "Invalid inpu"
        }
    }
}