Getting xml parent node tag name with child node value using XSLT

[joylen]

I need to transform XML using xslt.i want to transform a node that has child nodes, to node that his tag name is the name of the parent and his value is the value of one of his children.example:the given xml:\[code\]<Parent>\[/code\] \[code\]<ChildA>1</ChildA>\[/code\] \[code\]<ChildB>2</ChildB>\[/code\]\[code\]</Parent>\[/code\]the desired xml output:\[code\]<Parent>2</Parent\[/code\]>thanks!