from math import sqrt,ceil,gcd,log;re=lambda:map(int,input().strip().split())
n, m = re()
for _ in range(n):
    print(3 * input())

这题给我整无语了。真的6。

lst = list(map(int, input().split( )))
for _ in range(lst[0]):
    juehuo = input()
    print(juehuo + juehuo + juehuo)