problem 1 2 3 in rust

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diff --git a/rust/001-multiples_of_3_and_5.rs b/rust/001-multiples_of_3_and_5.rs
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+++ b/rust/001-multiples_of_3_and_5.rs
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+/*
+* Multiples of 3 and 5
+* 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.
+*/
+
+fn main() {
+    let mut sum = 0;
+
+    for x in 1..999 {
+        if x % 3 == 0 || x % 5 == 0 {
+            sum += x;
+        }
+    }
+    println!("{}", sum);
+}