using System;
public class FibonacciExample
{
public static void Main(string[] args)
//int n1=0,n2=1,n3,i,number;
//Console.Write("Enter the number of elements: ");
//number = int.Parse(Console.ReadLine());
//Console.Write(n1+" "+n2+" "); //printing 0 and 1
//for(i=2;i<number;++i) //loop starts from 2 because 0 and 1 are already printed
// {
// n3=n1+n2;
// Console.Write(n3+" ");
// n1=n2;
// n2=n3;
// }
int n1=0,n2=1,n3,number;
Console.Write("Enter the number: ");
number = int.Parse(Console.ReadLine());
Console.Write(n1+" "+n2+" "); //printing 0 and 1
n3 = n2;
while(n3 < number) //loop starts from 2 because 0 and 1 are already printed
n3=n1+n2;
if(n3 < number) {
Console.Write(n3+" ");
}
n1=n2;
n2=n3;