COFRE

teste = 1
r = 0
a = []
while True:
    n = int(raw_input())
    if n == 0: break
    for i in range(n):
        j,z = map(int,raw_input().split())
        r +=  j - z
        a.append(r)
    print "Teste {}".format(teste)
    for i in range(len(a)):
        print"{}".format(a[i])
    print""
    a = [] * len(a)
    teste +=1