#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,"Ajay");
    
    strcpy(s1.addr.city,"theni");
    s1.addr.pincode = 625515;
    
    printf("Roll: %d\n",s1.roll);
    printf("Name: %s\n",s1.name):
    printf("City: %s\n",s1.addr.city);
    printf("Pincode: %d\n",s1.addr.pincode);
    
return 0;
}