#include <stdio.h>

int route(int x,int y);

int main(void) {
	int x,y;
	
	scanf("%d",&x);
	scanf("%d",&y);
	printf("GOAL(%d,%d)\n",x,y);
	
	printf("最短経路数：%d\n",route(x,y));
	
	return 0;
}

int route(int x,int y){
	
	if(x == 0 || y == 0){
		return 1;
	}else{
		return route(x-1,y) + route(x,y-1);
	}
}