// tested by Hightail - https://github.com/dj3500/hightail import std.stdio, std.string, std.conv, std.algorithm; import std.range, std.array, std.math, std.typecons, std.container, core.bitop; int n; char[] s; void main() { string s = readln.chomp; if (s[$ - 2 .. $] == "ai") { writeln(s[0 .. $ - 2] ~ "AI"); } else { writeln(s ~ "-AI"); } } void scan(T...)(ref T args) { string[] line = readln.split; foreach (ref arg; args) { arg = line.front.to!(typeof(arg)); line.popFront(); } assert(line.empty); } void fillAll(R, T)(ref R arr, T value) { static if (is(typeof(arr[] = value))) { arr[] = value; } else { foreach (ref e; arr) { fillAll(e, value); } } }