题解 | #成绩排序#

while True:
    try:
        n = int(input())
        mode = input().strip()
        dudes = []
        res = []
        for _ in range(n):
            name, score = input().split()
            dudes.append([name, int(score)])
        if mode == '1':
            res = sorted(dudes, key = lambda x : x[1])
        elif mode == '0':
            res = sorted(dudes, key = lambda x : x[1], reverse = True)
        for ele in res:
            print(*ele)
    except:
        break