32 lines
687 B
Python
32 lines
687 B
Python
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'''
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>84<EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ż<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>ʾΪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD>͡<EFBFBD>
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1.<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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2.<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>룺
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<EFBFBD>˴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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'''
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import math
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if __name__ == '__main__':
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a = int(raw_input('input an odd number:\n'))
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d = 0
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c = 2
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for b in range(3,a / 2 + 1,2):
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m = 0
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for c in range(2,int(math.sqrt(b)) + 1):
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if b % c == 0 :
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m = c
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break
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if m > math.sqrt(b):
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d = a - b
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else:
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break
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for c in range(2,int(math.sqrt(d)) + 1):
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if d % c == 0:
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m = c
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break
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if m > math.sqrt(d):
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print '%d = %d + %d' % (a,b,d)
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