homework_2025.1.11

homework_2025.1.11.cpp

@@ -0,0 +1,25 @@
+#include<iostream>
+using namespace std;
+
+int main(){
+    int n,sum=0;
+    cin >> n;
+    for (int i = 1; i <= n / 2; i++)
+    {
+        if (n % i == 0)
+        {
+            sum += i;
+        }
+    }
+
+    if (sum == n)
+    {
+        cout << "YES" << endl;
+    }
+    else
+    {
+        cout << "NO" << endl;
+    }
+    
+    return 0;
+}