#include <iostream> using namespace std; int main(){ float a,s; cin>>a; if(a<=150){ s=a*0.4463; }else if(a<=400){ s= 66.945+(a-150)*0.4663; }else { s=183.52+(a-400)*0.5663;} printf("%.1f",s); return 0; }

#include <iostream> using namespace std; int main(){ float a,s; cin>>a; if(a<=150){ s=a*0.4463; }else if(a<=400){ s= 66.945+(a-150)*0.4663; }else { s=183.52+(a-400)*0.5663;} printf("%.1f",s); return 0; }