#include <stdio.h>
#include <unistd.h>

int main(){	
	int r;
	int y = 3;
	int z = 0;
	int a = 1;
	
	while (true){
		r = a + z;
			
		printf("%i, ", r);
		
		z = a;
		a = r;
		y++;
		usleep (1000 * 100);
	}
}