3 positive integers a , b , and c are such that their average is 20 and a ≤ b ≤ c . if the median is ( a + 13 ) , what is the least possible value of c ?
n0 = 3.0
n1 = 20.0
n2 = 13.0
t0 = n2 + 1.0
t1 = n0 * n1
t2 = n2 + t0
t3 = t1 - t2
t4 = t3 / n0
answer = t0 + t4
print(answer)