def nwd(a, b)
	if b==0 
		return a
	end
	
   	return nwd(b, a%b)
end

while true
	begin
		x = gets.split
	rescue 
		break
	end
	u1 = x[0].split('/')
	o = x[1].split('/')
	u2 = x[2].split('/')
end