import math
n=0.0
while 1:
    n = n+1.0
    if n*n*n<12000:
        print(n)
        break

    if n*n>=12000:
       print(n)
       break

import math
n=0.0
while 1:
    n = n+1.0
    if n*n*n<12000:
        print(n)
        break

    if n*n>=12000:
       print(n)
       break
