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+#include <iostream> // for std::cout and std::cin
+
+int main()
+{
+ std::cout << "Enter a number: "; // ask user for a number
+ int x{}; // define variable x to hold user input
+ std::cin >> x; // get number from keyboard and store it in variable x
+ std::cout << "You entered " << x << '\n';
+
+ return 0;
+}
+
+/*
+ * a) 'h' is not integer type, so x will be 0.
+ * b) all input before '.' in '3.2' is assigned to x; all the rest remains
+ * for future extractions.
+ * c) sign character '-' is allowed, so '-3' is assigned to x
+ * d) same as variand a)
+ * e) highest acceptable value by integer type will be used if
+ * '99999999999999999999' is input
+ * f) 123 is assigned to x and 'abc' remains for future extractions
+ * g) first character 'a' is not a valid integer type, so extraction failed
+ * and x is 0
+ * h) spaces droped; '+' is valid character for integer type; 5 is assigned to x
+ * i) 5 is assigned to x; b6 remains for future extractions
+*/