Please explain the steps to getting the correct answer to this code.

What is the output of the C program shown below when the use enters the following data as input? 10 -5 20 -10 -15 # include #include int main (void) { int a, b, x=0, y=0: for (a=1: a =0) x = x + b: else y = y + b: } printf("%d and %d ", x, y): char str[] = "alabama": b = strlen(str): for (a=b-1: a > =0: a--) { if (str[a] == 'a') printf("A"): else printf("%c", str[a]): } printf(" "): return 0: }