fork download
  1. try:
  2. while True:
  3. r=input()
  4. for c in r:r=c[c.swapcase()==r!=c:];print(end=r)
  5. print() # Separate test cases by linefeeds.
  6. except:
  7. pass
Success #stdin #stdout 0.02s 9984KB
stdin
bBaAdD
NniIcCeE
Tt eE Ss tT
sS Ee tT
1!1!1sStT!
nN00bB
(eE.gG.)
Hh3lL|@!
Aaa
aaaaa
aaAaa
stdout
bad
Nice
T e S t
s E t
1!1!1st!
n00b
(e.g.)
H3l|@!
Aa
aaaaa
aaaa