import math
inFile = open('input', 'r', encoding='utf8')
outFile = open('output', 'w', encoding='utf8')
lines = inFile.readlines()
ans = []
for line in lines:
    currLine = list(map(str, line.split()))
    currLine.pop(2)
    ans.append(' '.join(currLine))
ans.sort()
for line in ans:
    print(line, file=outFile)
inFile.close()
outFile.close()