nested_lists

if __name__ == '__main__':
    records = []  
    mark = []                          # storing score for sort
    for _ in range(int(input())):
        name = input()
        score = float(input())
        records.append([name, score])
        mark.append(score)
    second_least = sorted(set(mark))[1]    # here it is second_least score 
    for name, score in sorted(records):
        if score == second_least:          # if score in records == second_least 
            print(name)                      #                                 then    print(name)