Given a string ```abccc```,\nGiven are below operations\n1. ```b``` can be replaced by ```c```\n2. ```a``` can be replaced by ```b```\n\nCan the given string converted to all of the same charcters? \nThe string ```abccc```  can be converted to ```ccccc``` by following operations:\n1. Convert ```b``` at index 1 to ```c```\n2. Convert  ```a``` at index 0 to ```b```\n3. Convert ```b``` at index 0 to ```c```\n\nThe given operations can be performed infinite number of times on the string. We need to find whether the string can be converted to a string containing all same characters.\n\nNote : the operations can be performed in any order and any number of times.\n\nExample 1:\nInput :\nString - ```abccc```\nOperations  - \n1. ```b``` --> ```c```\n2. ```a``` --> ```b```\n\nOutput - YES\n\n\nExample 2:\nString - ```abcdc```\nOperations:\n1.  ```b``` --> ```c```\n2.  ```a``` --> ```d```\n\nOutput - NO

Given a string abccc,\nGiven are below operations\n1. b can be replaced by c\n2. a can be replaced by b\n\nCan the given string converted to all of the same cha