View Code of Problem 135

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main (){
	int n, x = 0, y = 0;
	scanf("%d", &n);
	getchar();
	char ch;
	int s, l ,r;
	while(n--){
		scanf("%c%d", &ch, &s);
		getchar();
		switch(ch){
			case 'L':
				x -= s;
				break;
			case 'R':
				x += s;
				break;
			case 'F':
				y += s;
				break;
			case 'B':
				y -= s;
				break;
		}
	}
	scanf("%d%d", &l, &r);
	if(x==l&&y==r) printf("MEME IS SO LUCKY\n");
	else printf("GPS ERROR\n");

	return 0;
}