define a 1)
(define b 2)
(define c 3)

(define proc a b c
             (cond (and (< a b) (< a c)) (+ (* b b) (* c c))
                        (and (< b a) (< b c)) (+ (* a a) (* c c))
                        (else (+ (* a a) (* b b)))
             
             )
 )