class Solution {

public boolean judgeCircle(String moves) {

if(moves.length()%2!=0) return false;

int[] arr = new int[4];

for(int i=0;i<moves.length();i++){

if(moves.charAt(i)=='R') arr[0]++;

else if(moves.charAt(i)=='L') arr[1]++;

else if(moves.charAt(i)=='U') arr[2]++;

else if(moves.charAt(i)=='D') arr[3]++;

}

return arr[0]==arr[1]&&arr[2]==arr[3];

}

}