diff --git a/README.md b/README.md
index dc2a195..73471c8 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,28 @@ int main()
     }
    
 }
+步骤2
+#include <iostream>
+
+int main()
+{
+	struct student
+	{
+		int number;
+		float gaoshu;
+		float dawu;
+		float yy;
+		float add;
+	}student1, student2, student3;
+	scanf_s("%d%f%f%f", &student1.number, &student1.gaoshu, &student1.dawu, &student1.yy);
+	scanf_s("%d%f%f%f", &student2.number, &student2.gaoshu, &student2.dawu, &student2.yy);
+	scanf_s("%d%f%f%f", &student3.number, &student3.gaoshu, &student3.dawu, &student3.yy);
+	student1.add = (student1.gaoshu + student1.dawu + student1.yy);
+	student2.add = (student2.gaoshu + student2.dawu + student2.yy);
+	student3.add = (student3.gaoshu + student3.dawu + student3.yy);
+	printf("%d  %f  %f  %f  %f\n", student1.number, student1.gaoshu, student1.dawu, student1.yy, student1.add);
+
+printf("%d  %f  %f  %f  %f\n", student2.number, student2.gaoshu, student2.dawu, student2.yy, student2.add);
+
+printf("%d  %f  %f  %f  %f\n", student3.number, student3.gaoshu, student3.dawu, student3.yy, student3.add);
+}