class person
{
    private name: string;
    private age: number;

    constructor(name: string, age: number)
    {
        this.name = name;
        this.age = age;
    }

    tellMyName(): string
    {
        return `I am ${this.name}`;
    }

    tellMyAge(): string
    {
        return `I am ${this.age} years old`;
    }
}

const person1 = new person ('John', 40);
const person2 = new person ('Mary', 35);

console.log(person1.tellMyName());
console.log(person1.tellMyAge());
console.log(person2.tellMyName());
console.log(person2.tellMyAge());