From 201d00d2ee5aea163d909b946994c6ec8a3193fb Mon Sep 17 00:00:00 2001
From: Swaraj Renghe <swarajrenghe@outlook.com>
Date: Wed, 9 Oct 2019 21:44:50 +0530
Subject: [PATCH] Added Codeforces Question

---
 Codeforces/Chat room.cpp | 48 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Codeforces/Chat room.cpp

diff --git a/Codeforces/Chat room.cpp b/Codeforces/Chat room.cpp
new file mode 100644
index 0000000..8a9bdd9
--- /dev/null
+++ b/Codeforces/Chat room.cpp	
@@ -0,0 +1,48 @@
+#include <bits/stdc++.h> 
+#include <iostream>
+#include <string>
+#include <vector>
+#include <stdlib.h>
+ 
+using namespace std;
+ 
+int main () {
+ 
+	string s, g;
+ 
+	cin >> s;
+ 
+	int temp = 0;
+ 
+	for (int i = 0; i < s.length(); ++i)
+	{
+		if (temp == 0 && s[i] == 'h') {
+			temp = 1;
+		}
+		else if (temp == 1 && s[i] == 'e') {
+			temp = 2;
+		}
+		else if (temp == 2 && s[i] == 'l') {
+			temp = 3;
+		}
+		else if (temp == 3 && s[i] == 'l') {
+			temp = 4;
+		}
+		else if (temp == 4 && s[i] == 'o') {
+			temp = 5;
+			break;
+		}
+		else {
+ 
+		}
+	}
+ 
+	if (temp == 5) {
+		cout << "YES" << endl;
+	}
+	else {
+		cout << "NO" << endl;
+	}
+	
+	return 0;
+}