$8\mathrm{.}19\mathrm{.}1$: Rearrange the code to produce a statement sequence that reads in any number.

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$541708\mathrm{.}3479862.$qx$3$zqy$7$

You want to read in a number that may or may not be preceded by white space and$/$or a $ sign. Rearrange the following lines of code to produce a statement sequence that works in all cases. Not all lines are useful.