#include <stdio.h>
#define M 1000
int p[M] = {};

int main(void) {
	int i, j;
	
	for (i = 2; i < M; ++i) {
		if (p[i] == 0) {
			for (j = i + i; j < M; j += i)
				p[j] = 1;
			printf("%d ", i);
		}
	}
	printf("\n");
	return 0;
}