#include <cstdio>
#include <cstring>

#define I_F "bang.in"
#define O_F "bang.out"

//Bang=0|Grenade=1|Ghost=2|Knife=3|Miss=4|Parry=5

int s[2][6];
short life[2];
int c[2];

inline bool Compare(const char*, const char*);
inline void Getcard(const short&, const char*);
bool Start();
inline int Max(const int&, const int&);
inline int Min(const int&, const int&);
bool Bang(const short&);
void Ovrwork();

int main()
{
	freopen(I_F,"r",stdin);
	freopen(O_F,"w",stdout);
	int i;
	while (Start())
	{
		i=0;
		while (!Bang(i%2))
			++i;
		if (i%2==0)
			printf("WIN\n");
		else
			printf("LOSE\n");
		Ovrwork();
	}
}

inline bool Compare(const char *a, const char *b)
{
	return (a[0]==b[0] && a[1]==b[1]);
}

inline void Getcard(const short &x, const char *t)
{
	++c[x];
	if (Compare(t,"Bang"))
		++s[x][0];
	else if (Compare(t,"Grenade"))
		++s[x][1];
	else if (Compare(t,"Ghost"))
		++s[x][2];
	else if (Compare(t,"Knife"))
		++s[x][3];
	else if (Compare(t,"Miss"))
		++s[x][4];
	else
		++s[x][5];
}

bool Start()
{
	char t[10];
	if (fgets(t,10,stdin)==NULL)
		return false;
	if (t[0]=='.')
		return false;
	for (short i=0; i<2; ++i)
		for (short j=0; j<6; ++j)
			s[i][j]=0;
	c[0]=c[1]=0;
	Getcard(0,t);
	for (short i=0; i<3; ++i)
		Getcard(0,fgets(t,10,stdin));
	for (short i=0; i<4; ++i)
		Getcard(1,fgets(t,10,stdin));
	life[0]=life[1]=4;
	return true;
}

inline int Max(const int &a, const int &b)
{
	return (a>b)?a:b;
}

inline int Min(const int &a, const int &b)
{
	return (a<b)?a:b;
}

bool Bang(const short &x)
{
	char t[10];
	int tem;
	for (short i=0; i<2; ++i)
		Getcard(x,fgets(t,10,stdin));
		
	life[1-x]-=s[x][3];
	c[x]-=s[x][3];
	s[x][3]=0;
	
	life[1-x]-=Max(0,s[x][1]-s[1-x][4]);
	c[1-x]-=Min(s[1-x][4],s[x][1]);
	s[1-x][4]-=Min(s[1-x][4],s[x][1]);
	c[x]-=s[x][1];
	s[x][1]=0;
	
	life[1-x]-=Max(0,s[x][2]-s[1-x][0]);
	c[1-x]-=Min(s[1-x][0],s[x][2]);
	s[1-x][0]-=Min(s[1-x][0],s[x][2]);
	c[x]-=s[x][2];
	s[x][2]=0;
	
	if (s[x][0]>0)
	{
		--c[x];
		--s[x][0];
		if (s[1-x][5]>0)
		{
			--s[1-x][5];
			--c[1-x];
			Getcard(1-x,fgets(t,10,stdin));
		}
		else
			if (s[1-x][4]>0)
			{
				--s[1-x][4];
				--c[1-x];
			}
			else
				--life[1-x];
	}
	
	if (life[1-x]<1)
		return true;
	
	if (c[x]>life[x])
	{
		tem=Min(c[x]-life[x],s[x][0]);
		s[x][0]-=tem;
		c[x]-=tem;
	}
	if (c[x]>life[x])
	{
		tem=Min(c[x]-life[x],s[x][4]);
		s[x][4]-=tem;
		c[x]-=tem;
	}
	if (c[x]>life[x])
	{
		tem=Min(c[x]-life[x],s[x][5]);
		s[x][5]-=tem;
		c[x]-=tem;
	}
	
	return false;
}

void Ovrwork()
{
	char t[10];
	while (fgets(t,10,stdin)!=NULL)
		if (Compare(t,"==="))
			return;
}