hexo

#include <iostream>
#include <iomanip>
#include <string>
#include <sstream>

int main() {
    // Step 1: Declare variables
    std::string hexString;
    unsigned int decimalValue;

    // Step 2: Input a hexadecimal string
    std::cout << "Enter a hexadecimal number: ";
    std::cin >> hexString;

    // Step 3: Convert hexadecimal string to decimal value
    std::stringstream ss;
    ss << std::hex << hexString;
    ss >> decimalValue;

    // Step 4: Output the decimal value
    std::cout << "Decimal equivalent: " << decimalValue << std::endl;

    return 0;
}