if __name__ == '__main__':
    l = {}

    for _ in range(int(input())):
        name = input()
        score = float(input())

        if score not in l.keys():
            l[score] = [name]
        else:
            l[score].append(name)

    out = sorted(l.items())

    for i in range(1, len(out)):
        if out[i][0] != out[i - 1][0]:
            for name in sorted(out[i][1]):
                print(name)

            break