#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define EPS 1e-10
#define PI acos(-1)
typedef long long ll;

ll A, B;

int solve()
{
	if (A < B) return 0;

	rep(i, 1, 10000)
	{
		double _max = (double)A / (1.0 + 1.0 / cos(PI / (double)i));
		double _min = (double)A / (1.0 + 1.0 / cos(PI / (double)(i + 1)));
		double BB = B;

		if (_min < BB && BB <= _max) return i;
	}

	assert(false);
	return 0;
}

int main()
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	while (cin >> A >> B)
	{
		if (solve() % 2 == 0)
			cout << "K" << endl;
		else
			cout << "S" << endl;
	}
}