Mountain buggy swift tyres

I have a mountain buggy swift that apart from the first time have never needed to pump the tyres up before. god knows how we did it the first time but for the life of me I can't pump them up!

From what I can see, one wheel has a bent valve so its easy to get the pump on and off, but the other two wheels have straight valves so I can't get the pump oin very well and if I can I can't get the pump off again without deflating the tyre!

This is driving me insane, do others have this problem or is my pram faulty with having straight valves that don't stick out?

Our pram is the same (different pram, same annoying valves on the tyres) we tried two of us doing it to no avail so took it to the Avanti bike shop down the road and they were awesome and pumped them up no worries and said to come back once a month to have them topped up as they do them all the time.

They also mentioned we could change the valves to the 'bent' ones next time we need to change the inner tubes.