PY
py
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# Developer : Infinity
# Date : 24/01/2018
n=int(input())
x=int(input())
# 1.Enter number of points (even)
# 2.Enter point to locate opposite of
if n%2==0 and (x>=0 and x<n):
if x<n//2:
print ("Opposite "+str(x)+": "+str(x+n//2))
else:
print ("Opposite "+str(x)+": "+str(x-n//2))
else:
print("Number of dots not even or point searched not in range")
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OUTPUT
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