diff --git a/chapter3/print1.c b/chapter3/print1.c
new file mode 100644
index 0000000..b77731d
--- /dev/null
+++ b/chapter3/print1.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main(void)
+{
+	int ten = 10;
+	int two = 2;
+
+	printf("Doing it right:");
+	printf("%d minus %d is %d \n", ten, 2, ten - two);
+	printf("Doing it wrong:");
+	// 遗漏两个参数
+	printf("%d mimus %d is %d\n", ten);
+	return 0;
+}
+
+