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