题解 | #统计牛客网刷题数量500以上的大佬#

import sys

import pandas as pd 

data = pd.read_csv('Nowcoder.csv', sep = ',')
print(data.query("Num_of_exercise > 500")[['Level', 'Achievement_value']])

for line in sys.stdin:
    a = line.split()
    print(int(a[0]) + int(a[1]))