function startSeason(input) {
    const map = new Map();

    for (let i = 0; i <= input.length - 1; i++) {

        if (input[i].includes('->')) {
            let [gladiator, technique, skill] = input[i].split(' -> ');
            skill = Number(skill);

            if (!map.has(gladiator)) {
                let innerMap = new Map();
                innerMap.set(technique, skill);
                map.set(gladiator, innerMap);
            } else {
                let innerMap = map.get(gladiator);
                if (!innerMap.has(technique)) {
                    innerMap.set(technique, skill);
                } else {
                    let currentPoints = map.get(gladiator).get(technique);
                    if (currentPoints < skill) {
                        map.get(gladiator).set(technique, skill);
                    }
                }
            }


        } else {
            let [gladiator1, gladiator2] = input[i].split(' vs ');
            if (map.has(gladiator1) && map.has(gladiator2)) {
                let canFight = false;
                for (let technique of map.get(gladiator1).keys()) {
                    if (map.get(gladiator2).has(technique)) {
                        canFight = true;
                        break;
                    }
                }
                if (canFight) {
                    let pointsGladiator1 = findTotalPoints(gladiator1);
                    let pointsGladiator2 = findTotalPoints(gladiator2);

                    if (pointsGladiator1>pointsGladiator2) {
                        map.delete(gladiator2);
                    } else if (pointsGladiator2>pointsGladiator1) {
                        map.delete(gladiator1);
                    }
                }
            }

        }
    }

    Array.from(map.keys()).sort((a,b)=>findTotalPoints(b)-findTotalPoints(a) || a.localeCompare(b)).forEach(element => {
       console.log(element+": "+findTotalPoints(element)+" skill");
       Array.from(map.get(element).entries()).sort((a,b)=>Number(b[1]-Number(a[1])) || a[0].localeCompare(b[0]))
       .forEach(e=>console.log(`- ${e[0]} <!> ${e[1]}`));
    });

    function findTotalPoints(name) {
       return Array.from(map.get(name).values()).reduce((a,b)=>a+b);
    }
}