def calcDiff(s, R):
global s_s, i, x, weights
s_s = set()
weights = []
for i in range(1, len(s)):
weights.append(getIsotopicWeight(s[:i]))
weights.append(getIsotopicWeight(s[-i:]))
weights.append(getIsotopicWeight(s))
diff = mDiff(weights, R)
max, max_key = getMaxMultiplicity(diff)
return max
from python.util import getIsotopicWeight protein = input() print(getIsotopicWeight(protein))