s = int(input())
s1 = list()
for i in range(2, s):
v = True
for j in range(2, int(i ** 0.5)):
if i % j == 0:
v = False
if v:
s1.append(i)
r = []
for i in range(0, len(s1)):
if s - s1[i] in s1:
r.append([s1[i], s - s1[i]])
index = []
l = s
for i in r:
a, b = i
if abs(a - b) < l:
l = abs(a - b)
index = i
print(f'{s}={index[0]}+{index[1]}')
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