#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
#define int long long
#define fre freopen(".in","r",stdin),freopen(".out","w",stdout)
#define fcl fclose(stdin),fclose(stdout)
inline int read() {
	int x=0,m=1;
	char ch=getchar();
	while(!isdigit(ch)) {
		if(ch=='-') m=-1;
		ch=getchar();
	}
	while(isdigit(ch)) {
		x=(x<<1)+(x<<3)+(ch^48);
		ch=getchar();
	}
	return x*m;
}
inline void write(int x) {
	if(x<0) putchar('-'),write(-x);
	else {
		if(x>=10) write(x/10);
		putchar(x%10+'0');
	}
}
#define read(n) n=read()
int a,b;
signed main() {
//	fre;
	read(a),read(b);
	while(a && b) {
		if(a<b) swap(a,b);
		if(a/b>=2 || !(a%b)) puts("win");
		else {
			int k=0,x=a,y=b;
			while(x && y) {
				x-=y;
				if(x<y) swap(x,y);
				if(!(x%y)) break;
				++k;
			}
			if(k&1) puts("win");
			else puts("lose");
		}
		read(a),read(b);
	}
//	fcl;
	return 0;
}