if __name__ == '__main__':
    # n=input()
    li1=[]
    for i in range(int(input())):
        li=[]
        name = input()
        li.append(name)
        score = float(input())
        li.append(score)
        li1.append(li)
    name1=[]
    li2=[i[-1] for i in li1]
    for k in li1:
        if k[-1]==sorted(set(li2))[1]:
            name1.append(k[0])
    for nam in sorted(name1):
        print(nam)