What does this C snippet output?

1#include <stdio.h>
2void run(void) {
3    static int calls = 0;
4    int local = 0;
5    calls++;
6    local++;
7    printf("%d %d\n", calls, local);
8}
9int main(void) {
10    run();
11    run();
12    run();
13    return 0;
14}