Variables, Data Types & I/O - Practice

#include <iostream>
#include <string>
using namespace std;

int main() {
    string name;
    int age;
    
    cout << "Enter name: ";
    getline(cin, name);
    cout << "Enter age: ";
    cin >> age;
    
    cout << "Hello " << name << "!" << endl;
    cout << "In 10 years: " << age + 10 << endl;
    
    // String operations
    cout << "Name length: " << name.length() << endl;
    cout << "Upper first: " << (char)toupper(name[0]) << name.substr(1) << endl;
    return 0;
}