Submission #161838

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Source Code Expand

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ABC0007B
{
    class Program
    {
        static void Main(string[] args)
        {
            var s = Console.ReadLine();
            if (s == "a") Console.WriteLine(-1);
            else Console.WriteLine("a");
        }
    }
}

Submission Info

Judge Result