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