hoops = []
inputt= raw_input('Enter hoop: ')
while inputt != '':

    hoops.append((int(inputt.split(' ')[0]),int(inputt.split(' ')[1])))
    inputt=raw_input('Enter hoop: ')
if hoops == []:
    exit
print hoops

greatest = []
greatest = 0
cheight =hoops[0][0]
for i in range(len(hoops)):
    for j in range(i+1, len(hoops)):
        if hoops[j][0] > current:
            continue
        if hoops[j][1] + hoops[i][1] >