def lowest_in_list(list_name: list) -> int:
    low_item=list_name[0][1]
    for name, score in list_name:
        if score < low_item:
            low_item = score
    return(low_item)

if __name__ == '__main__':
    students = []
    for _ in range(int(input())):
        name = input()
        score = float(input())
        students.append([name,score])

    #students = [['Harry', 37.21], ['Berry', 37.21], ['Tina', 37.2], ['Akriti', 41], ['Harsh', 39]]
    lowest_marks=lowest_in_list(students)

    # new list to find the second lowest item
    second_list = []
    for name, score in students:
        if score != lowest_marks:
            second_list.append([name,score])
    second_lowest = lowest_in_list(second_list)

    names=[]
    for name, score in students:
        if score == second_lowest:
            names.append(name)

    for name in sorted(names):
        print(name)