Bjarne Stroustrup has truly created the best obfuscation method ever.

happy.cpp

#define private public
#include <iostream>

class Integer
{
    int _value;
private:
    Integer(int value = 0) : _value(value) {};
    Integer operator+(const Integer&) const;
};

Integer Integer::operator+ (const Integer& k) const
{
    std::cout << char(_value);
    return Integer(_value + k._value);
}

int main(int argc, char **argv)
{
    Integer(104) + Integer(-7) + Integer(15) + Integer() 
        + Integer(9) + Integer(-89) + Integer(66) + Integer(-53)
        + Integer(55) + Integer(-3) + Integer(24) + Integer(34);
}