Start: Dec, 04, 2016 12:00:00
杭州师范大学第十届程序设计竞赛—正式
End: Dec, 04, 2016 17:00:00
Time elapsed:
Time remaining:

Problem_ID: C
Result: Accepted
Time: 1ms
Memory: 1092kB
In contest: 1075

#include<stdio.h>
int main()
{
	int t;
	scanf("%d",&t);
	while(t--)
	{
		int n;
		scanf("%d",&n);
		printf("%d\n",n>14?n-7:-1);
	}
	return 0;
}