#include using namespace std; int main() { // you can use int as well, but do you really need something as big as int? short number; unsigned char digit1, digit2, digit3, digit4, number1, number2; cout << "Enter a 4-digit number: "; cin >> number; if (number < 1000 || number > 10000) { cout << "The input must be a 4-digit number!\n"; return 1; } digit1 = number / 1000; digit2 = number / 100 % 10; digit3 = number / 10 % 10; digit4 = number % 10; number1 = digit1 * 10 + digit4; number2 = digit2 * 10 + digit3; if (number1 < number2) { cout << "less (" << (int)number1 << " < " << (int)number2 << ")\n"; } else { if (number1 == number2) { cout << "equal (" << (int)number1 << " = " << (int)number2 << ")\n"; } else { cout << "greater (" << (int)number1 << " > " << (int)number2 << ")\n"; } } return 0; }