def get_students_with_grade(students, grade):

return list(filter(lambda student: student[1] == grade, students))

def get_second_lowest_grade(students):

unique_grades = set(map(get_grade, students))

ascending_grades = sorted(unique_grades)

return ascending_grades[1] # return second lowest grade

def get_grade(student):

return student[1]

if __name__ == '__main__':

students = []

for _ in range(int(input())):

name = input()

score = float(input())

students.append([name, score])

second_lowest_grade = get_second_lowest_grade(students)

students_with_grade = get_students_with_grade(

students, second_lowest_grade)

sorted_students = sorted(students_with_grade)

for name, _score in sorted_students:

print(name)