#!/usr/bin/python3
#
# This program reads a text file from the standard input, and prints
# the list of all characters present in the input followed by the
# number of times the character appears in the input.
#
import sys

freq = {}
for line in sys.stdin:
    for c in line:
        if c in freq:
            freq[c] = freq[c] + 1
        else:
            freq[c] = 1

for c, f in freq.items():
    print(c, f)