thinking about it, not sure if you even need the if(acounter < 3) part, just increment the counter on success and run C to check it every time a or b succeeded and have c reset the counter (sorry just got out of bed, brain still starting up 
)
thinking about it, not sure if you even need the if(acounter < 3) part, just increment the counter on success and run C to check it every time a or b succeeded and have c reset the counter (sorry just got out of bed, brain still starting up )