poj 2586 Y2K Accounting Bug

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    int s,d;
    while(cin>>s>>d)
     {
         if(4*s<d&&10*s-2*d>0)
        cout<<10*s-2*d<<endl;
    else if(3*s<2*d&&2*s-d>0)
        cout<<8*s-4*d<<endl;
    else if(2*s<3*d&&s>d)
        cout<<6*s-6*d<<endl;
    else if(s<4*d&&s>3*d)
        cout<<3*s-9*d<<endl;
        else
            cout<<"Deficit"<<endl;
     }


    return 0;
}