#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;
}