l = []
f = open("Koordinaten.txt", "r")
while True:
    line1 = f.readline()
    line2 = f.readline()
    if not line2: break
    t = (line1.strip(), line2.strip())
    if t not in l:
        print(t[0], t[1], sep='\n')
        l.append(t)
f.close()