include
#include
main() {
int count = 20;
do {
sound(440);
delay(200);
nosound();
sound(220);
delay(200);
nosound();
count--;
}while(count != 0);
count = 20;
do {
sound(110);
delay(200); nosound();
sound(220); delay(200);
nosound();
count--;
}while(count != 0);
}