From fc6a5818ad9a47501239de5403a05d80fb82c1cd Mon Sep 17 00:00:00 2001
From: har3927 <98939808+har3927@users.noreply.github.com>
Date: Wed, 30 Mar 2022 16:07:52 +0530
Subject: [PATCH] Update 110A - Nearly Lucky Number.cpp

#include <bits/stdc++.h>

using namespace std;

int main()
{
    string s;
    cin>>s;
    int n=s.length();
    int count=0;
    for(int i=0;i<n;i++){
        if(s[i]=='4'||s[i]=='7'){
            count++;
        }
    }
    if(count==4||count==7){
        cout<<"YES";
    }
    else{
        cout<<"NO";
    }


    return 0;
}
---
 110A - Nearly Lucky Number.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/110A - Nearly Lucky Number.cpp b/110A - Nearly Lucky Number.cpp
index 4e8799c..c855276 100644
--- a/110A - Nearly Lucky Number.cpp	
+++ b/110A - Nearly Lucky Number.cpp	
@@ -26,3 +26,29 @@ int main()
     }
     return 0;
 }
+this can also be used 
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main()
+{
+    string s;
+    cin>>s;
+    int n=s.length();
+    int count=0;
+    for(int i=0;i<n;i++){
+        if(s[i]=='4'||s[i]=='7'){
+            count++;
+        }
+    }
+    if(count==4||count==7){
+        cout<<"YES";
+    }
+    else{
+        cout<<"NO";
+    }
+    
+
+    return 0;
+}