Linclude <stdio.h>
Idefine n 4
void main(void)
{
int i, x;
int minimum, count;
count = 0;
minimum = 0;
for (i = 0; i <= n; i++)
{
scanf("%d", &x);
if (x % 3 == 0)
{
count++;
if (x < minimum)
minimum = i;
}
}
if (count > 0)
{
printf("%d\n", count);
printf("%d\n", minimum);
}
else
printf("NO\n");
}