input : - 434256

output :- 1086

'''
a = (input(" enter the input :- "))

for i in range (0,len(a)//2):
print(int(a[i]) + int(a[-1-i]), end="")

if len(a)%2 == 1:
print(a[len(a)//2])
'''

what is menning of (a[len(a)//2])