657. Robot Return to Origin

class Solution {
	public boolean judgeCircle(String moves) {
		int x = 0;
		int y = 0;
		for (int i = 0; i < moves.length(); i++) {
			char c = moves.charAt(i);
			if (c == 'R') {
					x++;
			} else if (c == 'L') {
					x--;
			} else if (c == 'U') {
					y--;
			} else if (c == 'D') {
					y++;
			}

		}

		if (x == 0 && y == 0)
			return true;
		else
			return false;
	}
}
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