using System.Console;

module LoopMult
{
    Main() : void
    {
        def first  = array['a', 'b', 'c'];
        def second = array['A', 'B', 'C'];
        def third  = array[1, 2, 3];

        when (first.Length == second.Length && second.Length ==
third.Length)
            foreach (i in [0 .. (first.Length - 1)])
                WriteLine("{0}{1}{2}", first[i], second[i], third[i]);
    }
}