#include <stdio.h>
struct college{
   char collegeName[20];
   char city[20];
};
   
struct student{
    int rollno;
    char name[20];
    float mark;
struct Collage collage
};

int main() {
    struct student s1={10,"Karthi",50.5,{"CIET college","covai"}};

        printf("Roll no:%d\n",s1.rollno);
        printf("Name:%s\n",s1.name);
        printf("Mark:%.2f\n",s1.mark);
        printf("College:%s\n",s1.college.collegeName);
        printf("City:%s\n",s1.college.city);
   
return 0;
}