n=int(input())
l=[]
for i in range(n):
    name = input()
    score = float(input())

    l.append([name,score])
print(l)
n=len(l)
a=[]
for i in range(n):
    if l[i][1] not in a:
     a.append(l[i][1])

a.sort()

r=[]
for i in range(n):
    if l[i][1]==a[1]:
        r.append(l[i][0])
r.sort()
print(*r,sep="\n")