fun main(arr:Array<String>) {
    val players = listOf("oda","yukiko")
    val sente = readLine()!!
    val gote = players.findLast { it != sente }!!
    val cnt  =(1..8).map { readLine()!!.count { it != ',' }}.sum()

    val ans = if(cnt % 2 == 0) gote else sente
    println(ans)
}