题解 | #成绩排序#

import sys
num1 = int(input().strip())
just1 = input().strip()
table1 = []
for line in sys.stdin:
    a = line.strip().split(" ")
    table1.append([a[0],int(a[1])])
if just1 == '1':
    resualt1 = sorted(table1,key=lambda x:x[1])
elif just1 == '0':
    resualt1 = sorted(table1,key=lambda x:x[1],reverse=True)
for i in resualt1:
    print(i[0],i[1])