Main.java

/*
@author: mc-es

Problem 1
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of all the multiples of 3 or 5 below 1000.

Answer: 233168
*/

public class Main {
	public static void main(String[] args) {
		int number = 1000;
		int total = 0;

		for (int i = 0; i < number; i++) {
			if (i % 3 == 0 || i % 5 == 0) {
				total += i;
			}
		}
		System.out.println("Total: " + total);
	}
}