Following is the main() function of a C++ program, after the function is executed, what will be showing on the output screen? int main() { Stack myStack; myStack.push(x); myStack.push(15); myStack.push(x); myStack.push(25); myStack.push(52); myStack.pop(); myStack.pop(); myStack.pop(); cout< return 0; }

Group of answer choices

15

52

25

x