#include<bits/stdc++.h>
#define int long long
using namespace std;

void sol(){
	int a,b;
	cin>>b>>a;
	a*=2;
	if((b/a)%2==1) cout<<"S";
	else cout<<"K";
}
signed main(){
//	freopen(".in","r",stdin);
//	freopen(".out","w",stdout); 
	sol();
}