Sum of Squares 1 to N

Read an integer n from standard input and print the sum of the squares 1*1 + 2*2 + ... + n*n, with no trailing newline. For example, if the input is 3, the sum is 1 + 4 + 9, so print:

14

Accumulate i * i in a loop.

Expected Output:

Topics:

Loops

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