1
class Solution {
2
  public boolean judgeCircle(String moves) {
3
    int up = 0;
4
    int rt = 0;
5
    for (int i = 0; i < moves.length(); i++) {
6
      if (moves.charAt(i) == 'U') up++;
7
      if (moves.charAt(i) == 'R') rt++;
8
      if (moves.charAt(i) == 'L') rt--;
9
      if (moves.charAt(i) == 'D') up--;
10
    }
11
    if (up == 0 && rt == 0) return true;
12
    return false;
13
  }
14
}