What does this C snippet output?

1#include <stdio.h>
2int gen(void) {
3    static int table[] = {5, 15, 25};
4    static int i = 0;
5    return table[i++];
6}
7int main(void) {
8    printf("%d\n", gen());
9    printf("%d\n", gen());
10    printf("%d\n", gen());
11    return 0;
12}