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