#include<stdio.h>
int main()
{
    int limit;
    scanf("%d", &limit);
    if(limit < -1000 || limit > 1000)
    {
        printf("Invalid input");
    }
    if(limit < 0)
    {
        printf("Invalid input");
    }
    int a=0,b=1,c;
    while (a <= limit)
    {
        printf("%d",a);
        c=a+b;
        a=b:
        b=c;
        if(a<=limit)
        {
            printf(" ");
        }
    }
    return 0;
}