diff --git a/du1/.program.c.swp b/du1/.program.c.swp
new file mode 100644
index 0000000..ecf4de3
Binary files /dev/null and b/du1/.program.c.swp differ
diff --git a/du1/program.c b/du1/program.c
new file mode 100644
index 0000000..39875de
--- /dev/null
+++ b/du1/program.c
@@ -0,0 +1,4 @@
+#include <stdio.h>
+int main(){
+	return 0;
+}