first commit

J08027 - GÕ BÀN PHÍM.java

@@ -0,0 +1,27 @@
+import java.util.*;
+
+public class non {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        String s = sc.next();
+        Stack<Character> a = new Stack<>();
+        Stack<Character> b = new Stack<>();
+        for (int i = 0; i < s.length(); i++) {
+            if (s.charAt(i) == '<') {
+                if (!a.empty())
+                    b.push(a.pop());
+            } else if (s.charAt(i) == '>') {
+                if (!b.empty())
+                    a.push(b.pop());
+            } else if (s.charAt(i) == '-') {
+                if (!a.empty())
+                    a.pop();
+            } else
+                a.push(s.charAt(i));
+        }
+        while (!a.empty())
+            b.push(a.pop());
+        while (!b.empty())
+            System.out.print(b.pop());
+    }
+}