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