Hello guys, I am new here. I have been practicing programming in C as I am going back to school. The program below is supposed to be really simple. It would help you calculate the factorial of a number. But I don't know why I can't get the scanf function for the character input to work. Any help will be greatly appreciated. Thanks, Michael #include int main (void) { int input, i, output; char yes; printf("Welcome to the factorial calculator.\n"); yes='y'; while(yes=='y') { printf("Input a non-negative number:"); scanf("%d", &input); while(input