let amap = new Map() var line ="" while(line = readline()){ var a = line.split(" ") if (a.length > 1) { if (!amap.has(a[0])) { amap.set(a[0], parseInt(a[1])) } else { let b = amap.get(a[0]) amap.set(a[0], parseInt(a[1]) + b) } } } const resultArr = Array.from...