how to color a cell with two numbers

[Tody03]

I combine to cells into one using this command. I have two tables in the same structure. I use this command =a1&" "&A1 The first a1 is from table one the second a1 is from table two.
The result is cell one 1 141 cell two 0 106

Whenever the first argument is >0 i want to color the cell or the numbers.
Thanks for your help.

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[Fluff]

You can colour the cell using conditional formatting.

Select the cells you want this to work > Conditional format > New Rule > use a formula
=--LEFT(F2,1)>0
Select the format you want > OK.

Change the F2 to the first cell in the applies to range