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Flow diagrams provide a visual way of showing a process or algorithm: a box is used for an action, a diamond (shaded) for making a decision, and arrows indicate the flow of control.

For example, in this simple flow diagram, if A was input as 9 it would be output as 13, whilst if it was input as 11 it would be unchanged and output as 11.


For the flow diagram

what is the output if the input is 11498?