using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace yukicoder_597 { class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); string[] s = new string[n]; for (int i = 0; i < n; i++) { s[i] = Console.ReadLine(); } for(int i = 0; i < n; i++) { Console.Write(s[i]); } Console.ReadLine(); } } }