An input apparatus includes, a display unit that causes a plurality of display screens on which images are to be displayed to display the images, a input detecting unit that detects a first input on a first display screen, a second input on the first display screen, and a third input on a second display screen, a position acquiring unit that acquires a first position, a second position and a third position, a start-position estimating unit that estimates a start position of an associated operation on the second display screen, and a continuity determining unit that determines whether the third input is the associated operation based upon the third position and the start position.