from functools import reduce
a = int(input("Enter a: "))
b = int(input("Enter b: "))
print(reduce(lambda s, el: s + el * el, range(a, b+1), 0))
from functools import reduce
a = int(input("Enter a: "))
b = int(input("Enter b: "))
print(reduce(lambda s, el: s + el * el, range(a, b+1), 0))