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