#include<iostream>
using namespace std;
int main()
{
int n, fib1=0,fib2=1,fib3;
cout<<"Enter the limit";
cin>>n;
cut<<"The fibonacci series is";
if(n==1)
cout<<fib1<<",";
else if(n==2)
cout<<fib1<<","<<fib2<<",";
else if (n>2)
{
cout<<fib1<<","<<fib2<<",";
fib3=fib1+fib2;
while(fib3<=n)
{
cout<<fib3<<","
fib1=fib2;
fib1=fib2;
fib3=fib1+fib2;
}
}
else
cout<<"invalid";
}