#include <stdio.h>

#define LOCAL_CALL_RATE 0.5
#define LONG_DISTANCE_CALL_RATE 1.5
#define INTERNATIONAL_CALL_RATE 5.0

struct customer {
    char name[50];
    int local_call_duration;
    int long_distance_call_duration;
    int international_call_duration;
};

double calculate_bill(struct customer* c) {
    double local_call_charge, long_distance_call_charge, international_call_charge, total_bill;

    local_call_charge = c->local_call_duration * LOCAL_CALL_RATE;
    long_distance_call_charge = c->long_distance_call_duration * LONG_DISTANCE_CALL_RATE;
    international_call_charge = c->international_call_duration * INTERNATIONAL_CALL_RATE;
    total_bill = local_call_charge + long_distance_call_charge + international_call_charge;

    return total_bill;
}

void print_bill(struct customer* c, double bill) {
    printf("Telephone Bill for %s\n", c->name);
    printf("Local Call Duration: %d minutes\n", c->local_call_duration);
    printf("Long Distance Call Duration: %d minutes\n", c->long_distance_call_duration);
    printf("International Call Duration: %d minutes\n", c->international_call_duration);
    printf("Total: $%.2lf\n", bill);
}

int main() {
    struct customer c;
    double bill;

    printf("Enter customer name: ");
    scanf("%s", c.name);

    printf("Enter Local call duration (minutes): ");
    scanf("%d", &c.local_call_duration);

    printf("Enter Long Distance call duration (minutes): ");
    scanf("%d", &c.long_distance_call_duration);

    printf("Enter International call duration (minutes): ");
    scanf("%d", &c.international_call_duration);

    bill = calculate_bill(&c);
    print_bill(&c, bill);

    return 0;
}