diff --git a/step_2_input.c b/step_2_input.c
new file mode 100644
index 0000000..8e2158c
--- /dev/null
+++ b/step_2_input.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#define SIZE 3
+
+struct student
+{
+    int id;
+    float score_math;
+    float score_phi;
+    float score_eng;
+    float sum;
+};
+
+void input(struct student a[]){
+    for(int i = 0; i<3;i++){
+        scanf("%d",&a[i].id);
+        scanf("%f",&a[i].score_math);
+        scanf("%f",&a[i].score_phi);
+        scanf("%f",&a[i].score_eng);
+        a[i].sum = a[i].score_math + a[i].score_phi + a[i].score_eng;
+    }
+    for(int j = 0;j < 3;j++){
+        printf("%d  %.1f  %.1f  %.1f  %.1f\n",a[j].id,a[j].score_math,a[j].score_phi,a[j].score_eng,a[j].sum);
+    }
+    return;
+}
+
+int main(){
+    struct student studentgrade[3];
+    input(studentgrade);
+    return 0;
+
+}