#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef unsigned long long ull; static const double EPS = 1e-8; static const double PI = 4.0 * atan(1.0); static const double PI2 = 8.0 * atan(1.0); #define REP(i,n) for(int i=0;i<(int)n;++i) #define ALL(c) (c).begin(),(c).end() #define CLEAR(v) memset(v,0,sizeof(v)) #define MP(a,b) make_pair((a),(b)) #define ABS(a) ((a)>0?(a):-(a)) #define FOR(i,s,n) for(int i=s;i<(int)n;++i) bool np[10001]; vector primes; bool win[10001]; int main(int argc, char **argv) { int N; cin >> N; CLEAR(np); np[0] = np[1] = true; for (int i = 2; i <= N; ++i) { if (np[i]) continue; primes.push_back(i); for (int j = i * 2; j <= N; j += i) np[j] = true; } CLEAR(win); win[2] = win[3] = false; FOR(i, 4, N + 1) { win[i] = false; REP(j, primes.size()) { if (i - primes[j] < 2) break; if (!win[i - primes[j]]) { win[i] = true; break; } } } cout << (win[N] ? "Win" : "Lose") << endl; return 0; }