if name == 'main': students=[] for _ in range(int(input())): name = input() score = float(input()) students.append([name,score]) a=[] b=0.0 c=[]

for i in range (0,len(students)): a.append(students[i][1])

a.sort()

for i in range (0, len(a)-1):

if(a[i]<a[i+1]):
    b=a[i+1]
    break
else:
    continue  

for i in range(0,len(students)): if(students[i][1]==b): c.append(students[i][0])

else:
    continue 

c.sort()
for i in range(0,len(c)): print(c[i])