dic={'2','ABC','3':'DEF','4':'GHI','5':'JKL','6':'MNO','7':'PQRS','8':'TUV','9':'WXYZ'}
s=input()
m='';t=1
for i in range(1,len(s)):
if s[i]==s[i-1]:
t+=1
elif s[i]=='#':
m=m+dic[s[i-1]][t-1]
t=1
print(m)
'''
若执行该程序后输出'GET',则输入的内容可能是:?
'''
4#33#8#
4#33#8#