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

    python_students.sort()
    second_lowest = sorted(set(marks))
    for elements in python_students:
        if(elements[1] == second_lowest[1]):
            print(elements[0])