diff --git a/TP6/marche.c b/TP6/marche.c
new file mode 100644
index 0000000..1efc291
--- /dev/null
+++ b/TP6/marche.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+
+  int x = 0;
+
+  while ( x <= 20 && x >= -20){
+
+    x += rand()%3 - 1 ;
+  printf("%d \n",x);
+}
+
+}