if x , y , and z are positive integers , and 2 x = 5 y = 8 z , then the least possible value of x + y + z is
n0 = 2.0
n1 = 5.0
n2 = 8.0
t0 = n0 * n1
t1 = n2 * t0
t2 = t1 / 2.0
t3 = t2 / n0
t4 = t2 / n1
t5 = t2 / n2
t6 = t3 + t4
answer = t6 + t5
print(answer)