Add project files

ConsoleApp1/System.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp1
+{
+    public class System : ISystem
+    {
+        private string name;
+        private string version;
+        private string sn;
+
+        public System(string name, string version, string sn)
+        {
+            this.name = name;
+            this.version = version;
+            this.sn = sn;
+        }
+
+        public string Name => this.name;
+        public string Version => this.version;
+        public string SN => this.sn;
+
+        public override string ToString()
+        {
+            return $"Name: {this.name}\nVersion: {this.version}";
+        }
+    }
+}