s = " "
people = {}
while(True):
    s = input().split()
    if(len(s) < 2):
        break
    client = s[0]
    product = s[1]
    num = int(s[2])
    if(client not in people):
        people[client] = {}
    if(product not in people[client]):
        people[client][product] = num
    else:
        people[client][product] += num
for i in people:
    print(i + ":")
    for j in people[i]:
        print(j, people[i][j])