diff --git a/07/a/4 - Next Letter.py b/07/a/4 - Next Letter.py
new file mode 100644
index 0000000..54f02dc
--- /dev/null
+++ b/07/a/4 - Next Letter.py	
@@ -0,0 +1,7 @@
+char = input()
+if ord(char) == ord("Z"):
+   print("A")
+else:
+   print(chr(ord(char) + 1))
+# without if:
+# print(chr((ord(input()) - ord("A") + 1) % 26 + ord("A")))