comefrom: <awangdev>91. Decode Ways_2.java
code: private boolean check(String s, int i) {
  
          int twoDigit = (s.charAt(i - 1) - '0') * 10 + (s.charAt(i) - '0');
          return twoDigit <= 26 && twoDigit >= 10;
      }
masked: private boolean var_0 ( String var_1 , int var_2 ) {
    int var_3 = ( var_1 . charAt ( var_2 - 1 ) - '0' ) * 10 + ( var_1 . charAt ( var_2 ) - '0' ) ;
    return var_3 <= 26 && var_3 >= 10 ;
  }
  