diff --git a/sevenwonders.py b/sevenwonders.py
new file mode 100644
index 0000000..d56c81c
--- /dev/null
+++ b/sevenwonders.py
@@ -0,0 +1,7 @@
+s = input().strip()
+
+t = s.count("T")
+c = s.count("C")
+g = s.count("G")
+
+print(t**2 + c**2 + g**2 + (min((t, c, g)) * 7))