diff --git a/DeitelC/Factoriel.c b/DeitelC/Factoriel.c
new file mode 100644
index 0000000..ce9e618
--- /dev/null
+++ b/DeitelC/Factoriel.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main(void) {
+    int userData;
+    int counter;
+    int data = 1;
+    puts("Please enter factoriel number !: ");
+    scanf("%d",&userData);
+
+while(userData > 1) {
+    if (userData == 0) {
+        puts("0! = 1!\n");
+    } else if (userData >  0) {
+            printf("%s %d\n","UserData while", userData);
+            data = userData * data;
+            printf("%s %d\n","data while", data);
+
+            userData--;
+        }
+    }
+}
\ No newline at end of file
diff --git a/DeitelC/a.exe b/DeitelC/a.exe
index 799cb10..399f74d 100644
Binary files a/DeitelC/a.exe and b/DeitelC/a.exe differ
diff --git a/DeitelC/test2.c b/DeitelC/test2.c
index e69de29..f097fc6 100644
--- a/DeitelC/test2.c
+++ b/DeitelC/test2.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(void) {
+    int i = 4;
+    int a = 3;
+
+    (i > 3) ? printf("Yes") : printf("No");
+
+}
\ No newline at end of file