07. Miners

#include <iostream>
#include <vector>
#include <string>
#include <sstream>
#include <map>
#include <queue>
#include <algorithm>
#include <utility>

void readInput(std::map<std::string, int>& resources, std::vector<std::string>& commands) {
	std::string command;
	int quantity;
	std::cin >> command;

	while (true) {
		if (command == "stop") {
			break;
		}

		if (!(std::find(commands.begin(), commands.end(), command) != commands.end())) {
			commands.push_back(command);
			continue;
		}

		resources[command];
		std::cin >> quantity;

		resources[command] += quantity;

		std::cin >> command;
	}
}



void printResources(std::map<std::string, int>& resources, std::vector<std::string> commands) {
	for (int i = 0; i < commands.size(); ++i) {
		std::cout << commands[i] << " -> " << resources[commands[i]] << std::endl;
	}
}

int main() {
	std::map<std::string, int> resources;

	std::vector<std::string> commands;

	readInput(resources, commands);

	printResources(resources, commands);
}