function solve(input){

    var soccerTeams = {};
    var pattern = /([A-Za-z ]+)\s*\/\s*([A-Za-z ]+)\s*:\s*([0-9]+)\s*-\s*([0-9]+)/;

    for(var i = 0; i < input.length; i++) {
        var currentLine = pattern.exec(input[i]);

        var curHomeTeam = currentLine[1].trim();
        var curOpponent = currentLine[2].trim();
        var curHomeResult = Number(currentLine[3]);
        var curOpponentResult = Number(currentLine[4]);

        if(!soccerTeams[curHomeTeam]){
            soccerTeams[curHomeTeam] = {
                'goalsScored': curHomeResult,
                'goalsConceded': curOpponentResult,
                'matchesPlayedWith': []
            };
        } else{
            soccerTeams[curHomeTeam].goalsScored += curHomeResult;
            soccerTeams[curHomeTeam].goalsConceded += curOpponentResult;
        }
        if(!soccerTeams[curOpponent]){
            soccerTeams[curOpponent] = {
                'goalsScored': curOpponentResult,
                'goalsConceded': curHomeResult,
                'matchesPlayedWith': []
            };
        } else {
            soccerTeams[curOpponent].goalsScored += curOpponentResult;
            soccerTeams[curOpponent].goalsConceded += curHomeResult;
        }

        if(soccerTeams[curHomeTeam].matchesPlayedWith.indexOf(curOpponent) < 0){
            soccerTeams[curHomeTeam].matchesPlayedWith.push(curOpponent);
        }

        if(soccerTeams[curOpponent].matchesPlayedWith.indexOf(curHomeTeam) < 0){
            soccerTeams[curOpponent].matchesPlayedWith.push(curHomeTeam);
        }

    }


    soccerTeams = sortObjectProperties(soccerTeams);

    for(var team in soccerTeams){
        soccerTeams[team].matchesPlayedWith.sort();

    }

    console.log(JSON.stringify(soccerTeams));

    function sortObjectProperties(obj) {
        var keysSorted = Object.keys(obj).sort();
        var sortedObj = {};
        for (var i = 0; i < keysSorted.length; i++) {
            var key = keysSorted[i];
            sortedObj[key] = obj[key];
        }
        return sortedObj;
    }

}

solve(['Germany / Argentina: 1-0',
    'Brazil / Netherlands: 0-3',
    'Netherlands / Argentina: 0-0',
    'Brazil / Germany: 1-7',
    'Argentina / Belgium: 1-0',
    'Netherlands / Costa Rica: 0-0',
    'France / Germany: 0-1',
    'Brazil / Colombia: 2-1'
]);