d,f,g = (a,b,c =  gets.chomp.split("\n"))
aa = d.split(" ")<< "A",f.split(" ")<< "B",g.split(" ")<< "C"
rank =	(aa.sort {|a, b| (b[0] <=> a[0]).nonzero? || (a[1] <=> b[1])})
puts rank[0][2],rank[1][2],rank[2][2]