Water

#include <stdio.h>
#include <cs50.h>

int main(void)
{
    int n;
    int m;

//check the positive number of minutes

    do
    {
        printf("How many minutes did you take shower? \n");
        n = get_int();
    }
    while (n < 0);

//counting bottles

    m = n * 12;
    printf("%i minutes \n%i bottles of water\n", n, m);
}