#include
//structure declaration
struct student{
   int rollno;
   float marks;
};


int display(int roll, float mrk){
  printf("\nRoll no : %d\tMarks : %.2f\n\n",roll,mrk);
}

int main(){
  struct student s;
  s.rollno=123;
  s.marks=95.5;
  display(s.rollno,s.marks);
  return 0;
}