If three ducks are floating in water and the other three are on land.
return ducks ;return water ;return land ;return #1 floating on #2 ;return #1 on #3 ;return the  number of  #4 ;return the  number of  #5 ;return if  #6 is equal to  three  ;return if  #7 is equal to  three  ;return if  both  #8 and #9 is true
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