C++ What is the ouput of this code and why??

1) If the code of main( ) shown below is executed, the output will be:

int enigma(int val1, int val2)

{

return (val1 + val2);

}

int main()

{

int num = 5;

cout << enigma(enigma(num, num), num) << endl;

return 0;

}

2) If the code of main( ) shown below is executed, the output will be:

int enigma(int val1, int val2)

{

if(val1 > val2)

return val1++;

else

return ++val2;

}

int main()

{

int num1 = 5, num2 = 3;

cout << enigma(num1, num2) << '&' << enigma(num2, num1) << endl;

return 0;

}