solutions: 339A

solutions/rust/339A.rs

@@ -0,0 +1,12 @@
+use std::io;
+
+fn main() {
+    let mut s = String::new();
+    io::stdin().read_line(&mut s).unwrap();
+
+    let mut nums = s.trim().split('+').map(|d| String::from(d)).collect::<Vec<String>>();
+
+    nums.sort();
+
+    println!("{}", nums.join("+"));
+}