#include <iostream>
int main() {
// Declare variables
int integerVariable;
float floatVariable;
double doubleVariable;
char charVariable;
// Initialize variables
integerVariable = 10;
floatVariable = 3.14f;
doubleVariable = 2.71828;
charVariable = 'A';
// Output values
std::cout << "Integer Variable: " << integerVariable << std::endl;
std::cout << "Float Variable: " << floatVariable << std::endl;
std::cout << "Double Variable: " << doubleVariable << std::endl;
std::cout << "Char Variable: " << charVariable << std::endl;
return 0;
}