C++ :

#include<cstdio>
#include<cstring>
#define  N  210000
using  namespace  std;
struct  node
{
	int  x,y,z;
}a[N];int  n;
inline  int  mymin(int  x,int  y){return  x<y?x:y;}
int  check(long  long  x)
{
	int  ans=0;
	for(int  i=1;i<=n;i++)
	{
		if(a[i].x<=x)ans+=(mymin(a[i].z,x)-a[i].x)/a[i].y+1;
	}
	return  ans;
}
int  main()
{
	int  T;
	scanf("%d",&T);
	while(T--)
	{
		scanf("%d",&n);
		for(int  i=1;i<=n;i++)scanf("%d%d%d",&a[i].x,&a[i].z,&a[i].y);
		long  long  l=0,r=2147483647,mid,ans=-1;
		
		while(l<=r)
		{
			mid=(l+r)>>1;
			if(check(mid)&1)r=mid-1,ans=mid;
			else  l=mid+1;
		}
		if(ans>=0)printf("%lld %d\n",ans,check(ans)-check(ans-1));
		else  printf("There's no weakness.\n");
	}
	return  0;
}