copy list of numbers and paste them one by one Android

[AC Question]

I've got allot of numbers and need to paste them one but one. The problem is switching between apps selecting number 1 and pasting on another app and then doing the same thing again with number 2

 

[Sam_Gs7]

I've got allot of numbers and need to paste them one but one. The problem is switching between apps selecting number 1 and pasting on another app and then doing the same thing again with number 2

Please provide more details like the phone brand
and which -Android OS- is installed will help.?