Fix input

src/life.cpp

@@ -25,13 +25,14 @@ void printWelcome() {
 }
 
 std::string input(const char *message) {
-    if (message != nullptr) {
-        std::cout << message << FORMAT_UNDERSCORE;
+    if (message != nullptr)
+        std::cout << message;
+
+    std::cout << FORMAT_UNDERSCORE;
     std::flush(std::cout);
-    }
+
     std::string ret;
     std::getline(std::cin, ret);
-    if (message != nullptr)
     std::cout << END_FORMATTING;
     return ret;
 }