import sys

mebi_mapping = {
    0: '0',
    1: '1',
    2: 'ABC',
    3: 'DEF',
    4: 'GHI',
    5: 'JKL',
    6: 'MNO',
    7: 'PQRS',
    8: 'TUV',
    9: 'WXYZ',
}

lookup = {}

for k, v in mebi_mapping.iteritems():
    for c in v:
        lookup[c.lower()] = str(k)
    lookup[str(k)] = str(k)

for line in sys.stdin:
    number = ''
    for c in line.strip():
        number += lookup[c.lower()]
    print number