#include <stdio.h>
int main() {
	int rolls,sum,i,j,k;
	do{
		printf("How many times?     ");
		scanf("%d",&i);  // i <= 0 results in program termination
		if(i>0) {
			fflush(stdin);
			do {
				printf("How many sided?     ");
				scanf("%d",&j);
				fflush(stdin);
				if(j<4) printf("\nERROR: Must roll 4 sided or larger.\n");
				else printf("\nRolling %dd%d\n",i,j);
			} while(j<4);  // Must Roll d4 or larger
			srand ((unsigned) time(NULL));
			for(k=rolls=sum=0;rolls<i;sum+=k,rolls++) {  // Rolls, Prints Roll, Sums, Increments Counter
				k = rand()%j+1;
				printf("%d  ",k);
			}
		printf("\n\n");
		if(i>1)	printf("Average:            %lf\n",(double) sum/i); // Prints Average
		printf("Total:              %d\n\n",sum);  // Prints Sum of Rolls
		}
	} while (i>0);
	return 0;
}