if __name__ == '__main__':
    a=[ ]
    list_score=[ ]
    list_score2=[ ]
    list_sec_low=[ ]
    for _ in range(int(input())):
        name = input()
        score = float(input())
        x=[name,score]
        a.append(x)
        list_score.append(score)
    list_score.sort``()
    e=min(list_score)
    for i in list_score:
        if i != e:
            list_score2.append(i)
    for c in a:
        if c[1]==min(list_score2):
            list_sec_low.append(c[0])
    list_sec_low.sort()
    for d in list_sec_low:
        print(d)