#K51807. Sum of Multiples

    ID: 29169 Type: Default 1000ms 256MiB

Sum of Multiples

Sum of Multiples

This problem requires you to compute the sum of all multiples of \(3\) or \(5\) that are less than a given non-negative integer \(n\). For example, if \(n=10\), the multiples are 3, 5, 6, and 9, yielding a sum of 23.

Please note that the input will be provided via standard input and the output should be printed to standard output.

inputFormat

The input consists of a single integer \(n\) (\(0 \leq n \leq 10^9\)) read from standard input.

outputFormat

Output a single integer representing the sum of all multiples of \(3\) or \(5\) that are less than \(n\).

## sample
10
23