#include <iostream>
#include <stdio.h>

using namespace std;
int main (){
    int a, b, c;
    a=-1;

    cout << "\t\t === Program Bilangan Ganjil Angka 1-20 ===\n"<<endl;
    for (c=1;c<=10;c++)
    {
        b=2+a;
        cout<<b<<" ";
        a=b;
    }
}