#include<stdio.h>
int
main() {
a, b, s = 0;
for
(b = 2; b<= 100; b++) {
s = 0;
(a = 1; a < b; a++)
if
(b % a == 0)
s = s + a;
(s == b)
printf
(
"% d"
, b);
}