#include <stdio.h>
#include <stdatomic.h>

int main(void) {
    atomic_uint count;
    atomic_init(&count, 0u);
    atomic_fetch_add_explicit(&count, 2u, memory_order_relaxed);
    atomic_fetch_add_explicit(&count, 1u, memory_order_relaxed);
    printf("Atomic count: %u\n", atomic_load_explicit(&count, memory_order_relaxed));
    return 0;
}