#include<iostream>
using namespace std;
int main()
{
    int n,t1=0,t2=1,nextTerm=0;
    cin>>n;
    for(int i=1;i<=1;==1)
    {
        if(i==1){
            cout<<t1<<",";
            continue;
        }
        if(i==2)
        {
            cout<<t2<<",";
            continue;
        }
        nextTerm=t1+t2;
        t1=t2;
        t2=nextTerm;
        cout<<nextTerm<<",";
    }
    return 0; 
}