using System;

namespace ConsoleApplication2

{

    internal class Program

    {

        public static void Main(string[] args)

        {

            double d1 = 7.2;

            double d2 = 9.5;

            double k1 = 6;

            double k2 = 3;

            double d12;

            double k12;

            double m12 = 0;

            for (; m12 <= 10; m12 += 0.5)

            {

                d12 = Math.Min(d1, d2) * 0.62 + Math.Max(d1, d2) * 0.38;

                k12 = Math.Min(k1, k2) * 0.62 + Math.Max(k1, k2) * 0.38;

                if(0.8*(Math.Min(k12,d12)*0.62 + Math.Max(k12,d12)*0.38) + 0.2*m12 >= 3.5)

                    Console.WriteLine(m12+ " " + (0.8*(Math.Min(k12,d12)*0.62 + Math.Max(k12,d12)*0.38)+m12*0.2));

            }

        }

    }

}