import sys

word_dict = {}

for line in sys.stdin:
    line = line.strip()
    word, count = line.split('\t')
    count = int(count)

    if word in word_dict:
        word_dict[word]+=count
        
    else:
        word_dict[word] = count

#Reducer
max_freq = 0
max_word = ""
for word in word_dict.keys():
    if word_dict[word]>=max_freq:
        max_freq = word_dict[word]
        max_word = word  
print("{}\t{}".format(max_word, max_freq))