diff --git a/DEV IHM/TP2/Synopsis.txt b/DEV IHM/TP2/Synopsis.txt
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--- /dev/null
+++ b/DEV IHM/TP2/Synopsis.txt	
@@ -0,0 +1,6 @@
+Synopsis
+
+le jardinier papé14 separe la partielle
+il observe la premiere moitier
+il separe la deuxieme parcelle
+il change d'avis et reunis les dexu sous parcelle
\ No newline at end of file
diff --git a/DEV3.2/Piles/Arithmetique/build/arithm.class b/DEV3.2/Piles/Arithmetique/build/arithm.class
new file mode 100644
index 0000000..922fa56
Binary files /dev/null and b/DEV3.2/Piles/Arithmetique/build/arithm.class differ
diff --git a/DEV3.2/Piles/Arithmetique/src/arithm.java b/DEV3.2/Piles/Arithmetique/src/arithm.java
new file mode 100644
index 0000000..8f77a63
--- /dev/null
+++ b/DEV3.2/Piles/Arithmetique/src/arithm.java
@@ -0,0 +1,44 @@
+import java.util.Deque;
+import java.util.LinkedList;
+
+public class arithm {
+    public static void main(String[] args) {
+        Deque<Object> pile = new LinkedList<>();
+        Object x;
+        int a,b;
+        for (int i = 0; i < args.length; i++) 
+        {
+            x = args[i];
+            if (x == "+" || x == "-" || x == "/" || x == "*" ) 
+            {
+                switch (x) {
+                    case "+":
+                        a = (Integer) pile.pop();
+                        b = (Integer) pile.pop();
+                        pile.add(a+b);
+                        break;
+                    case "-":
+                        a = (Integer) pile.pop();
+                        b = (Integer) pile.pop();
+                        pile.add(a-b);
+                        break;
+                    case "/":
+                        a = (Integer) pile.pop();
+                        b = (Integer) pile.pop();
+                        pile.add(a/b);
+                        break;
+                    case "*":
+                        a = (Integer) pile.pop();
+                        b = (Integer) pile.pop();
+                        pile.add(a*b);
+                        break;
+                }    
+            }  
+            else
+            {
+                pile.add(x);
+            }  
+        }
+        System.out.println("="+pile.pop());
+    }
+}