fff = ' fff fff '
f = ''
ff = False
for fffff in fff:
if (fffff != ' '):
f += fffff
ff = False
if (ff == True and fffff == ' '):
continue
if (fffff == ' '):
ff = True
f += fffff
continue
ffff = 0
ffffff = False
fffffff = False
for fffff in range(len(f)):
if (fffff == 0):
if (f[fffff] == ' '):
ffffff = True
if (fffff == len(f)):
if f[fffff] == ' ':
fffffff = True
if (f[fffff] == ' '):
ffff += 1
print((ffff - (fffffff + ffffff)))
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