promo = input("Promo : ")

users = open("p"+promo+".csv").read().split("\n")
out = []
for u in users:
	if ".supprime" in u:
		continue
	out.append(u+",promo"+promo)

out = "username,promo\n"+"\n".join(out)

open("p"+promo+".csv", "w+").write(out)