using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AirplaneWithRadar
{
    public class Class1
    {
        private int x;
        public int y { private get; set; }
        public int Sum(int num1, int num2)
        {
            return num1 + num2;
        }
    }
}