#include #include using namespace std; int main() { double price; cin >> price; double cost = 0.0; if(price>=5000) cost=price0.6; else if(price>=2000) cost=price0.7; else if(price>=500) cost=price0.8; else if(price>=100) cost=price0.9; else cost=price; cout << setiosflags(ios::fixed) << setprecision(1) << cost << endl; return 0; }