#include<stdio.h> int main(){ int index; int mark1; int mark2; printf("Enter index number:"); scanf("%d",&index); printf("Enter mark1:"); scanf("%d",&mark1); printf("Enter mark2:"); scanf("%d",&mark2); int avg = (mark1+mark2)/2; printf("Average of marks:%d\n",avg); if(avg>=35){ printf("Grade : C-"); }else{ printf("\nYou are fail idiot.!"); } return 0; }