ile = requestInteger("How much towns/cities would you like to visit: ")

for x in range(0, ile)
    number[x] = requestInteger("Enter a town/city number to visit:")
    mapX[x] = cityXvalue[number[x]]
    mapY[x] = cityYvalue[number[x]]

addLine(map)
for x in range(0, ile)
    addLine(mapX[x], mapY[x])

repaint(map)