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