#include <stdio.h>
int main() {
    int limit;
    scanf("%d", & limit);
    if (limit < 0) {
        printf("Invalid input");
        return 0;
    }
    int a = 0; b = 1, next;
    if (a <= limit) {
        printf("%d ", a);
    }
    if (b <= limit) {
        printf("%d ", b);
    }
    next = a + b;
    while (next <= limit) {
        printf("%d ", next);
        a = b;
        b = next;
        next = a + b;
    }
    return 0;
}