using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
class Program
{
static void Main(string[] args)
{
string[] curries = { "abc", "ab", "abcd" };
Console.WriteLine(curries.Aggregate(
"Some curries:",
(a, b) => a + " " + b,
a => a.Length));
}
}