import pprint
import re
import sys
 
data = sys.stdin.read()
 
exec (data.replace('(', 'dict(')) # use only for input that you control e.g., for unit-testing
pprint.pprint(abc)
 
def repl_flat(m):
    return "\n".join("<{0}>{1}</{0}>".format(*map(str.strip, s.partition('=')[::2]))
                     for s in m.group(1).split(','))
 
def eval_nested(expr):
    val, n = re.subn(r"\(([^)(]+)\)", repl_flat, expr)
    return val if n == 0 else eval_nested(val)
 
print eval_nested("(%s)" % (data,))

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

YWJjID0gKCAgCiAgICAgICAgYmNkID0gKGVmZyA9IDAsIGdociA9IDUsIGxtbiA9IDEwKSwgCiAgICAgICAgZ2hkID0gNSwgCiAgICAgICAgemRlID0gKGRmcyA9IDEwLCBmZ2UgPTIwLCBkZmcgPSAoc2RmID0gMywgZXJ0ID0gNSksIGp1aCA9IDApKQo=

abc = (  
        bcd = (efg = 0, ghr = 5, lmn = 10), 
        ghd = 5, 
        zde = (dfs = 10, fge =20, dfg = (sdf = 3, ert = 5), juh = 0))