#include<stdio.h>
int main(void){
	unsigned int table_r, coin_r, num_of_sheets;
	
	scanf("%u %u", &table_r, &coin_r);
	num_of_sheets = table_r / coin_r;
	
	if(num_of_sheets != 0){
		
		if(num_of_sheets%2 == 0){
			printf("K\n");	
		}else{
			printf("S\n");
		}
	
	}else{
		printf("K\n");
	}
	
	return 0;
}