static void Main(string[] args)
{
var change = new Char[] { 'a', 't', 'c', 'o', 'd', 'e', 'r', '@' };
String s = Console.ReadLine();
String t = Console.ReadLine();
Boolean jg = true;
String at = "";
for (Int32 i = 0; i < s.Length; ++i)
{
if (s[i] != t[i])
{
if (s[i] == '@')
{
if (change.Any(n => n == t[i]))
{
//s[i] = t[i];
s = ChangeCharAt(s, i, t[i]);
//Console.WriteLine(s);
}
else
{
jg = false;
}
}
else if (t[i] == '@')
{
if (change.Any(n => n == s[i]))
{
//s[i] = t[i];
t = ChangeCharAt(t, i, s[i]);
//Console.WriteLine(t);
}
else
{
jg = false;
}
}
else
{
jg = false;
}
}
}
if (jg)
{
Console.WriteLine("You can win");
}
else
{
Console.WriteLine("You will lose");
}
}