#!/usr/bin/python
import sys

years = {}
for y in range(1850,2020):
    years[str(y)]=0

for l in file(sys.argv[1],'r').readlines():
   y, n =  l.split()
   n = n.lstrip('(').rstrip(')')
   years[y]+=int(n)

print '#year   number_entries'
for y in range(1850,2020):
    print y,years[str(y)]