f = open("26 вар1.txt")
data = []
for s in f:
    start, dur = map(int, s.split())
    data.append([start + dur, start])
data.sort()
podoshli = []
last = []
zal = 0
for meropr in data:
    if meropr[1] >= zal:
        podoshli.append(meropr)
        zal = meropr[0]
    elif len(podoshli) == 26 and meropr[1] >= podoshli[-2][0] and meropr[1] >= podoshli[-1][-1]:
        podoshli[-1] = meropr
print(podoshli[-1], podoshli[-2])