give string s return true s good string false otherwisea string s good character appear s number occurrence ie frequency Example 1input s abacbcoutput trueexplanation the character appear s b c all character occur 2 time sExample 2input s aaabboutput falseexplanation the character appear s ba occur 3 time b occur 2 time number time Constraints1 slength 1000 consists lowercase english letter