interface Delete{ static void delete(){ } } class DeletePeriod implements Delete{ public static void delete(String s){ s.replaceAll("\\.",""); } } public class No_88{ public static void main(String[] args){ java.util.Scanner sc = new java.util.Scanner(System.in); String first,second,str; first = sc.next(); second = ""; str = ""; if(first.equals("oda")){ second = "yukiko"; } else if(first.equals("yukiko")){ second = "oda"; } for(int i = 0;i < 8;i++){ str += sc.next(); } DeletePeriod.delete(str); if(str.length()%2 == 0){ System.out.println(first); } else{ System.out.println(second); } } }