1757.cpp

这是哈尔滨工业大学acmOJ的源代码

/*  This Code is Submitted by wywcgs for Problem 1757 on 2005-12-11 at 19:12:10 */ 
#include <cstdio>

int main()
{
	int s, d, r;
	
	while(scanf("%d %d", &s, &d) != EOF) {
		if(d > 4*s) {
			r = 10 * s - 2 * d;
		} else if(2*d > 3*s) {
			r = 8 * s - 4 * d;
		} else if(3*d > 2*s) {
			r = 6 * s - 6 * d;
		} else if(4*d > s) {
			r = 3 * s - 9 * d;
		} else {
			r = -1;
		}
		if(r > 0) {
			printf("%d\n", r);
		} else {
			printf("Deficit\n");
		}
	}
	
	return 0;
}