from math import inf

if name == 'main': arr = {} lowest = second = inf for _ in range(int(input())): name = input() score = float(input())

    arr[score] = arr.get(score, []) + [name]

    if score < lowest:
        second = lowest
        lowest = score
    elif score < second and score > lowest: second = score

print('\n'.join(sorted(arr[second])))