diff --git a/day49/Accumul.java b/day49/Accumul.java
new file mode 100644
index 0000000..6230a2e
--- /dev/null
+++ b/day49/Accumul.java
@@ -0,0 +1,17 @@
+public class Accumul {
+    
+    public static String accum(String s) {
+        StringBuilder newString = new StringBuilder();
+        for (int i = 0; i < s.length(); i++) {
+            char currentChar = s.charAt(i);
+            newString.append(Character.toUpperCase(currentChar));
+            for (int j = 0; j < i; j++) {
+                newString.append(Character.toLowerCase(currentChar));
+            }
+            if (i != s.length() - 1) {
+                newString.append("-");
+            }
+        }
+        return newString.toString();
+    }
+}
\ No newline at end of file