#include<stdio.h>
#include<string.h>
struct address{
    char city[30];
    int pincode;
};
struct student{
    int roll;
    char name[30];
    struct address addr;
};
int main()
struct student s1;
s1.roll =101;
strcpy(s1.name,"Deepak");

strcpy(s1.addr.city,"chennai");
s1.addr.pincode=600001;
printf("roll:%d\n",s1.roll);
printf("name:%d\n",s1.name);
printf("city:%d\n",s1.city);
printf("pincode:%d\n",s1.pincode);
return 0;
}