using System; using System.Linq; static class Program { public static int Main() { int i = 0; var input = new int[] { 1 }; var input2 = new int[] { 5 }; var r = from _ in input from y in input2 select (Action)(() => Console.WriteLine("{0} {1} {2}", i, _, y)); r.ToList () [0] (); return 0; } }