function solve(input = []) {
  let capacity = Number(input.shift());
  input.pop();

  let obj = {};

  for (let line of input) {
    let tokens = line.split('=');
    let command = tokens[0];

    switch (command) {
      case 'Add':
        let name = tokens[1];
        let sent = Number(tokens[2]);
        let received = Number(tokens[3]);

        if (!obj.hasOwnProperty(name)) {
          obj[name] = [sent, received];
        }
        break;

      case 'Message':
        let sender = tokens[1];
        let receiver = tokens[2];
        obj[sender][0]++;
        obj[receiver][1]++;

        if (obj[sender][0] + obj[sender][1] >= capacity) {
          console.log(`${sender} reached the capacity!`);
          delete obj[sender];
        } else if (obj[receiver][0] + obj[receiver][1] >= capacity) {
          console.log(`${receiver} reached the capacity!`);
          delete obj[receiver];
        }
        break;

      case 'Empty':
        let username = tokens[1];

        if (username === 'All') {
          for (const prop of Object.getOwnPropertyNames(obj)) {
            delete obj[prop];
          }
        } else if (obj.hasOwnProperty(username)) {
          delete obj[username];
        }

        break;
    }
  }

  let orderedNames = Object.entries(obj).sort((a, b) =>b[1][1] -  a[1][1]|| b[0].localeCompare(b[0]));

  console.log(`Users count: ${orderedNames.length}`);
  orderedNames.forEach(a => console.log(`${a[0]} - ${a[1][0] + a[1][1]}`));


}

solve([
  '20',
  'Add=Mark=3=9',
  'Add=Berry=5=5',
  'Add=Clark=4=0',
  'Empty=Berry',
  'Add=Blake=9=3',
  'Add=Michael=3=9',
  'Add=Amy=9=9',
  'Message=Blake=Amy',
  'Message=Michael=Amy',
  'Statistics'
]);

solve([
  '10',
  'Add=Mark=5=4',
  'Add=Clark=3=5',
  'Add=Berg=9=0',
  'Add=Kevin=0=0',
  'Message=Berg=Kevin',
  'Statistics',
])