ns = []
while (line = STDIN.gets)
break if line.to_i == 0
ns << line.to_i
end
results = []
ns.each{|n|
results << n/2.to_i
}
puts results
ns = []
while (line = STDIN.gets)
break if line.to_i == 0
ns << line.to_i
end
results = []
ns.each{|n|
results << n/2.to_i
}
puts results