#!/usr/bin/python
"Tweetable mapreduce."
def mapreduce(m, r, xs):
 o = {}
 for x in xs:
  k,v = m(x)
  o.setdefault(k, []).append(v)
 return dict((k,r(v)) for k, v in o.items())

if __name__ == '__main__':
    import sys
    items = mapreduce(lambda x: (x.lower(), 1), len, sys.stdin.read().split())
    for k, v in sorted(items.items()):
        print k, v