#| BEGIN (Write your solution here) |#
(define (square x) (* x x))
(define (sum-of-square x y) (+ (square x) (square y)))
(define (solution x y z)
  (cond ((and (<= x y) (<= x z)) (sum-of-square y z))
        ((and (<= y x) (<= y z))(sum-of-square x z))
        (else (sum-of-square x y))
        ))
#| END |#