#include <iostream>

int main(){
    float a = 0.001f, x = 1.0f;
    //std::cin >> a;
    while(x > a){
        x /= 2;
        std::cout << x << std::endl;
    }
    return 0;
}

0.5
0.25
0.125
0.0625
0.03125
0.015625
0.0078125
0.00390625
0.00195312
0.000976562