using System;
class Program
{
static string get_reciprocal(string s) {
string tmp = "";
for (int i = 0; i < s.Length; i++) {
if (Char.IsUpper(s[i])) {
tmp += (char)('Z' - (int)(s[i]) + 'A');
}
else if (Char.IsLower(s[i])) {
tmp += (char)('z' - (int)(s[i]) + 'a');
}
else {
tmp += s[i];
}
}
return tmp;
}
static void Main() {
string s = "abc++def";
s = get_reciprocal(s);
Console.Write(s);
}
}
/*
run:
zyx++wvu
*/