C++ DND Die

#include <iostream>

int main() {
    //Challenge: Create a program to roll any amount of dice with any amount of sides. 3d6 stuff.

    srand(time(NULL));

    int sides;
    int amount;
    int roll;
    int total = 0;
    char yn;

    do{
        std::cout << "**DND Dice**\n";
        std::cout << "Please input the number of sides. ";
        std::cin >> sides;

        std::cout << "Input the amount of dice to roll. ";
        std::cin >> amount;

        std::cout << "You are rolling " << amount << "d" << sides << ". Is this correct? Y/N ";
        std::cin >> yn;

        if(yn == 'Y') {yn = 'y';}
    }while(yn != 'y');

    for(int i = 0; i < amount; i++)  {
        roll = rand() % sides + 1;
        std::cout << roll << '\n';
        total += roll;
    }

    std::cout << "Total: " << total;

    return 0;
}