diff --git a/main.cpp b/main.cpp
index a495fc94..9206e9bb 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,14 +8,23 @@ int main()
 
     int x,y;
 
-    std::cin >> x >> y;
-    std::cout << "Addition: " << x + y << std::endl;
-    std::cout << "Subtraction: " << x - y << std::endl;
-    std::cout << "Multiplication: " << x * y << std::endl;
-    std::cout << "Division: " << x / y << std::endl;
-    std::cout << "Remainder: " << x % y << std::endl;
-    std::cout << "Square Root: " << sqrt(x) << std::endl;
-    std::cout << "Square: " << pow(x, y) << std::endl;
+    cin >> x >> y;
+
+    cout << "Addition: " << x + y << endl;
+    cout << "Subtraction: " << x - y << endl;
+    cout << "Multiplication: " << x * y << endl;
+    if (y==0) {
+        cout << "Dividing by 0 is not a number" << endl;
+    } else {
+        cout << "Division: " << x / y << endl;
+        cout << "Remainder: " << x % y << endl;
+    }
+    if (x<0) {
+        cout << "Square root of a negative number is not a number" << endl;
+    } else {
+        cout << "Square Root: " << sqrt(x) << endl;
+    }
+    cout << "Square: " << pow(x, y) << endl;
 
     return 0;
 }