#include
int main(void)
{
int n;
double sumeven = 0.0;
int ct_even = 0;
double sumodd = 0.0;
int ct_odd = 0;
while (scanf("%d", &n) == 1 && n != 0)
{
if (n % 2 == 1)
{
sumodd += n;
++ct_odd;
}
else
{
sumeven += n;
++ct_even;
}
}
printf("Number of evens: %d", ct_even);
if (ct_even > 0)
printf(" average:%ld",sumeven / ct_even);
putchar('\n');
printf("Number of odds: %d", ct_odd);
if (ct_odd > 0)
printf(" average: %g", sumodd / ct_odd);
putchar('\n');
printf("\ndone\n");
return 0;
}