if __name__ == '__main__':
    LST = []
    for _ in range(int(input())):
        name = input()
        score = float(input())
        LST.append([name, score])
    LST.sort()
    #print(LST)
    SECOND = sorted({s for _, s in LST})[1]
    for name, score in LST:
        if SECOND == score:
            print(name)