hdu1846 Brave Game 巴什博弈

博弈论水题，巴什博弈模板题

参考http://blog.youkuaiyun.com/eirlys_north/article/details/53063491的详解= =

#include <cstdio>
#include <cstring>
#include <algorithm>

int n, m, c;

int main () {
	scanf("%d", &c);
	while (c--) {
		scanf("%d %d", &n, &m);
		if (n % (m + 1) == 0) printf("second\n");
		else printf("first\n");
	}
	
	return 0;
}