#include <stdio.h>

volatile int global_counter = 0;

int main() {
    int temp;

    temp = global_counter;
    printf("Initial value: %d\n", temp);

    global_counter = 42;
    temp = global_counter;
    printf("After write: %d\n", temp);

    global_counter = global_counter + 10;
    temp = global_counter;
    printf("After increment: %d\n", temp);

    return 0;
}