public boolean winnerOfGame(String colors) {
int n = colors.length();
char[] ch = colors.toCharArray();
int a = 0, b = 0;
for (int i = 1; i < n - 1; i++) {
if (ch[i] == ch[i - 1] && ch[i] == ch[i + 1]) {
if (ch[i] == 'A') a++;
if (ch[i] == 'B') b++;
}
}
return a > b;
}