Character 'e' Count

Background

Dawei is currently studying string processing and has devised a simple problem to test everyone.

Problem Description

Return true if the given string contains between 1 and 3 'e' characters (inclusive), otherwise return false.

Input Format

Input is given from standard input in the following format.

string S

Output Format

Output is printed to standard output in the following format.

boolean result

Sample

Hello

true

Heelle

true

Heelele

false

Sample Explanation

For Sample 1, the string "Hello" contains one 'e', which is between $1$ and $3$, so true is returned. For Sample 2, the string "Heelle" contains two 'e's, which is between $1$ and $3$, so true is returned. For Sample 3, the string "Heelele" contains four 'e's, which is not between $1$ and $3$, so false is returned.

Constraints

1s, 1024KiB for each test case.