if __name__ == '__main__':
    reords = []

    for _ in range(int(input())):
        name = input()
        score = float(input())
        reords.append([name, score])

    mark = sorted(set(map(lambda x: x[1], reords)))[1]
    for n, m in sorted(filter(lambda x: x[1] == mark, reords)):
        print(n)