#include <stdio.h>

int main()
{
	int n1 = 1, n2 = 1, n, i;

	printf("%d %d ", n1, n2);
	for (i = 0; i < 20; i++) {
		n = n1 + n2;
		printf("%d ", n);
		n1 = n2;
		n2 = n;
	}
	printf("\n");

	exit(0);
}