/* Example: Vowel Counting
	Goal: Multiple selection 
	Author: Peter Brusilovsky
*/

#include <stdio.h>

void main() {

	char c;
	int a, e, i, o, u, others;
	int pa, pe, pi, po, pu, pothers;
	float total;

	a = e = i = o = u = others = 0;
	
	/* Accumulating counters in the loop */
	while ((c = getchar()) != EOF)
		switch (c) {
			case 'e': e++; break;
			case 'i': i++; break;
			case 'u': u++; break;
			case 'o': o++; break;
			case 'a': a++; break;
			default:	others++; break;
		}
			
	/* Calculating percentages */
	total = a + e + i + o + u + others;
	pa = (a / total) * 100;
	pe = (e / total) * 100;
	pi = (i / total) * 100;
	po = (o / total) * 100;
	pu = (u / total) * 100;
	pothers = (others / total) * 100;
	
	/* Printing results */
	printf("\nNumbers of characters:\n\n");
	printf("a %d; e %d; i %d; o %d; u %d; rest %d\n", 
			a, e, i, o, u, others);
	printf("\nPercentages:\n\n");
	printf("a %d%%; e %d%%; i %d%%; o %d%%; u %d%%; rest %d%%\n", 
			pa, pe, pi, po, pu, pothers);
}