dic = {}
a = input("")
b = input("")

a = a.replace(" ", "")
b = b.replace(" ", "")

list_a = a.split(",")
list_b = b.split(",")

for i in list_a:
    if i[0] in dic.keys():
        dic[i[0]] = dic[i[0]] + int(dic[1])
    else:
        dic[i[0]] = int(dic[1])

for i in list_b:
    if i[0] in dic.keys():
        dic[i[0]] = dic[i[0]] + int(dic[1])
    else:
        dic[i[0]] = int(dic[1])

for it in sorted(dic.keys()):
    print(it + "=" + dic[it])