diff --git a/1-1.c b/1-1.c
new file mode 100644
index 0000000..3c84e06
--- /dev/null
+++ b/1-1.c
@@ -0,0 +1,5 @@
+#include <stdio.h>
+int main(){
+  printf("Hello, world\n");
+  return 0;
+}