package main

import (
	"fmt"
	"sort"
)

func main() {
	broters := make([]human, 3)
	broters[0].name = "A"
	broters[1].name = "B"
	broters[2].name = "C"
	for i := 0; i < 3; i++ {
		fmt.Scan(&broters[i].high)
		fmt.Scan(&broters[i].weight)
	}
	sort.Slice(broters, func(i, j int) bool {
		if broters[i].high > broters[j].high {
			return true
		} else if broters[i].high == broters[j].high {
			return broters[i].weight < broters[j].weight
		} else {
			return false
		}
	})

	for i := 0; i < 3; i++ {
		fmt.Println(broters[i].name)
	}
}

type human struct {
	name   string
	high   int
	weight int
}