void main(){
  import std.stdio, std.string, std.conv, std.algorithm;

  auto args=readln.split.to!(int[]);

  if((args[2]-args[1])&1){
    writeln("Alice");
  }else{
    writeln("Borys");
  }
}

void rd(T...)(ref T x){
  import std.stdio, std.string, std.conv;
  auto l=readln.split;
  assert(l.length==x.length);
  foreach(i, ref e; x){
    e=l[i].to!(typeof(e));
  }
}
void wr(T...)(T x){
  import std.stdio;
  foreach(e; x) write(e, " ");
  writeln();
}