import codejam
lines = codejam.input("A")
while len(lines) > 0:
[D, N] = list(map(int, lines.pop(0).split(" ")))
max_finish = 0
for i in range(N):
[K, S] = list(map(int, lines.pop(0).split(" ")))
finish = (D - K) / S
max_finish = max(max_finish, finish)
codejam.case(D / max_finish)
codejam.finish()
cases=int(cj.getNext(1,data))
pos=1
result=""
count=1
for i in xrange(0,cases):
ans=cj.getNext(1,data)
while ans!=-1:
result+="Case #"+str(count)+": "
count+=1
known=[]
for j in range(0,2):
cards=cj.getNext(4,data)
#print ans,cards,cards[int(ans)-1].split(" ")
known=intersect(known,cards[int(ans)-1].split(" "))
#print known
#print cards,known
ans=cj.getNext(1,data)
#print known,"--"
if len(known)==1:
result+=str(known[0])+"\n"
elif len(known)==0:
result+="Volunteer cheated!\n"
else:
#print known
result+="Bad magician!\n"
#result=result[0:-1]
#print result
cj.finish(result)