HDU 1085

分类就可以了

#include <cstdio>
#include <cstring>
#include <iostream>

using namespace std;

int main() {
	int a, b, c;
	while(scanf("%d%d%d", &a, &b, &c), !(0 == a && 0 == b && 0 == c)) {
		int i, j, sum;
		sum = 0;
		if(a >= 2 && b >= 1 || (a >= 4) || (a >= 1 && b >= 2) || (0 == b && a >= 4)) {
			sum = a + 2*b + 5*c;
			printf("%d\n", sum+1);
			continue;
		}
		else if(0 == a) {
			printf("1\n");
			continue;
		}
		else if(1 == a && 1 == b) {
			printf("4\n");
			continue;
		}
		if(0 == b && a < 4) {
			printf("%d", a+1);
			continue;
		}
	}
	return 0;
}