My parents microwave sure does just let you punch in 99 minutes and 99 seconds and then encourage you to press start

My parents microwave sure does just let you punch in 99 minutes and 99 seconds and then encourage you to press start
this reminds me of when i was a kid and my little brother put a personal pizza in the microwave but instead of 2 minutes he put 20 minutes on accident and it burned into a dark black hockey puck of ash