#include<bits/stdc++.h> using namespace std; int main(){ int x,y,i=0,s=0; float f; cin>>x>>y; i=x*2.5; s=y*1.5; f=i+s-1.5; printf("%.1lf",f); } /************************************************************** Problem: 1603 User: huxuanchen Language: C++ Result: Wrong Answer ****************************************************************/