gistfile1.txt

if __name__ == '__main__':
    students = []
    for _ in range(int(input())):
        name = input()
        score = float(input())
        students.append([name, score])
    students.sort(key = lambda x: (x[1], x[0]))
    for student in students:
        if (student[1] == students[1][1]):
            print(student[0])