import sequtils,strutils,algorithm

var
    A = newSeq[tuple[a : char, b : int, c : int]](3)
    i : int

for c in 'A'..'C':
    A[i].a = c
    (A[i].b, A[i].c) = stdin.readline.split.map(parseInt)
    i += 1

A = A.sortedByIt((-it.b, it.c))
for a in A:
    echo a.a