What is the value of M(M(A(M(x, y), S(y, x)), x), A(y, x)) for x = 2, y = 3? (CAT 1996)
M (M (A (M (x, y), S (y, x)), A (y, x)
M (M (A (6, 1), 2), A (3, 2))
M (M (7, 2), A (3, 2))
M (14, 5) = 70