int main() {
//throw throw "A", "B"; //error: invalid use of 'void'
//throw (throw "A", throw "B"); //error: invalid use of 'void'
//throw (throw "A", "B");
}
aW50IG1haW4oKSB7CiAgICAvL3Rocm93IHRocm93ICJBIiwgIkIiOyAvL2Vycm9yOiBpbnZhbGlkIHVzZSBvZiAndm9pZCcKICAgIC8vdGhyb3cgKHRocm93ICJBIiwgdGhyb3cgIkIiKTsgLy9lcnJvcjogaW52YWxpZCB1c2Ugb2YgJ3ZvaWQnCiAgICAvL3Rocm93ICh0aHJvdyAiQSIsICJCIik7Cn0=