diff --git a/pull_reqeust_test/dudwn04/report_card.c b/pull_reqeust_test/dudwn04/report_card.c
new file mode 100644
index 00000000..4a729cc9
--- /dev/null
+++ b/pull_reqeust_test/dudwn04/report_card.c
@@ -0,0 +1,21 @@
+#include<stdio.h>
+
+int main()
+{
+	int kor, eng, math;
+	int sum = 0;
+
+	math = 80;
+	eng = 100;
+	kor = 90;
+	sum = 80 + 100 + 90;
+
+	printf("This program print report card.\n");
+
+	printf("Korean : %d\n", kor);
+	printf("English : %d\n", eng);
+	printf("Math : %d\n", math);
+	printf("Sum : %d\n", sum);
+	printf("Average : %d\n", sum/3);
+	return 0;
+}