Glow 1 led when all other 5 leds are on

Projects General Guidance
1

I am working on a project where i need to glow 5 led and when these 5 are on then a separate led should glow.Please help me.

2

You mean you want to turn on six LEDs?

3

yes

4

Keep track of the leds that you are turning on. When all 5 are turned on, turn the 6th on.