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