In the Land of Tens, there are special calculators with special buttons.
The Thoughtful Thousands only has a \(+1000\) button. How many times should it be pressed to show:
a) Fifty thousand \(=\) times.
The Handy Hundreds only has a \(+100\) button. How many times should it be pressed to show:
b) 10000 \(=\) times.