static void Main(string[] args) { int n = 100; List <double> massA = new List <double>(); List <double> massB = new List <double>(); for (int i = 0; i < n; i++) { massA.Add(1.0); massB.Add(1.0); } CalcService calcservice = new CalcService(); InputMatrixes inputMatr = new InputMatrixes(); inputMatr.Mass_a = massA.ToArray(); inputMatr.Mass_b = massB.ToArray(); calcservice.SumMatrixes(inputMatr); OutputMatrixes output = calcservice.SumMatrixes(inputMatr); for (int j = 0; j < output.Mass_summ.Length; j += 2) { Console.Write(output.Mass_summ[j]); } Console.ReadKey(); }