POJ2586(贪心)

#include<cstdio>
#include<iostream>
int s,d;
int main()
{
while(scanf("%d%d",&s,&d)!=EOF)
{
int sum;
if(d>4*s)
sum=10*s-2*d;
else if(2*d>3*s)
sum=8*s-4*d;
else if(3*d>2*s)
sum=6*s-6*d;
else if(4*d>s)
sum=3*s-9*d;
else
sum=0;
if(sum>0)
printf("%d\n",sum);
else
printf("Deficit\n");
}
return 0;
}