1 files changed, 12 insertions, 0 deletions
diff --git a/main.rkt b/main.rkt
new file mode 100755
index 0000000..90e0daa
--- /dev/null
+++ b/main.rkt
@@ -0,0 +1,12 @@
+#!/usr/bin/env racket
+#lang racket/base
+
+(require racket/string)
+
+(define line (list->vector (string->list (string-downcase (read-line)))))
+
+(for ([i (vector-length line)])
+  (let [(chance (>= 5 (random 10)))]
+    (cond [chance (vector-set! line i (char-upcase (vector-ref line i)))])))
+
+(displayln (list->string (vector->list line)))