#include <stdio.h>

void single_delay(long delay)
{
    while (delay > 0)
        delay--;
}

void double_delay(long delay)
{
    delay *= 2;
    while (delay > 0)
        delay--;
}

void tripple_delay(long delay)
{
    single_delay(delay);
    double_delay(delay);
}

int main()
{
    printf("here we are...\n");
    single_delay(1000000L);
    single_delay(1000000000L);
    double_delay(100000000L);
    tripple_delay(200000000L);
    printf("here we are, again...\n");

    return 0;
}