#include <iostream>
#include <sstream>
#include <map>
using namespace std;
 
void functionA() {
	cout << "Function A" << endl;
}
 
void functionB() {
	cout << "Function B" << endl;
}
 
void functionC() {
	cout << "Function C" << endl;
}
typedef void (*ftype)(void);
 
int main() {
	map<string, ftype> function_map;
	function_map["A"] = functionA;
	function_map["B"] = functionB;
	function_map["C"] = functionC;
	string input;
	getline(cin, input);
	istringstream os(input);
	string command;
	while(os >> command) {
		function_map[command]();
	}
	return 0;
}

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QSBCIEMgQSBBIEEgQSBC

A B C A A A A B