hdu1846组合博弈

添加链接描述

#include<bits/stdc++.h>
using namespace std;
int n,m;
int c;
int main()
{
	scanf("%d",&c);
	while(c--){
		scanf("%d%d",&n,&m);
		int t;
		t=1+m;
		if(n%t!=0) printf("first\n");
		else printf("second\n"); 
	}
	return 0;
}