Pokemon EV optimizer code thing

#! /usr/bin/env python3

import sys


args = sys.argv
if len(sys.argv) != 4:
    print("python pokemon_harm_calc.py D S H")
    print("D - Defence stat")
    print("S - Special defence stat")
    print("H - HP stat")
    sys.exit()

#k = int(args[1])
D = int(args[1])
S = int(args[2])
H = int(args[3])

# k set to 20000
#harm = (k * (D + S) + 4*D*S) / (H*D*S)


def harm(D, S, H):
    return (20000 * (D + S) + 4*D*S) / (H*D*S)

maxD = 0
maxS = 0
maxH = 0

minHarm = 1000

for d in range(0, 128):
    for s in range(0, 128-d):
        h = 127-d-s
        hrm = harm(D+d, S+s, H+h)

        if hrm < minHarm:
            minHarm = hrm
            maxD = d
            maxS = s
            maxH = h

print(minHarm)
print(maxD)
print(maxS)
print(maxH)