# Obfuscated Hello Reddit
# By: LogicKills
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# It hurt to make this... 
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import re,sys

def lemmeThink(brainz):
    return re.match(r'^1?$|^(11+?)\1+$', '1' * brainz) == None




ohnoes = list() 
ohnoes = map(chr, range(65, 123))

cat=0;cats = [ 
    '312','3513','1952',
    '2178','2876','447',
    '2999','2213','1597',
    '2069','593','3571',
    '773','3467','3546']
atheist=20;atheists = [
    '229','3491','2749',
    '1291','1129','228',
    '3490','2740','1422',
    '4','106','1300','220'
    '456','1870','1438','1000']
digg=28;diggs = [
    '1721','700','199',
    '443','1866','1552',
    '3041','2963','3329',
    '1847','1373','1607',
    '1123','439','1009']
numa=31;numas = [
    '7867','7129','4703',
    '6211','6197','4519',
    '5573','4813','5821',
    '6089','5023','4441']
pawpaw=0;pawpaws = [
    '5407','4967','4889',
    '5903','5113','5737',
    '1669','1321','1109',
    '1433','1499','2971',
    '4201','4231']
    
for lawls in cats:
    if (not lemmeThink(int(lawls))):
        cat = cat + 1
    else:
        continue
for souls in atheists:
    if (not lemmeThink(int(lawls))):
        atheist = atheist + 1
    else:
        continue
for conservatives in diggs:
    if (not lemmeThink(int(lawls))):
        digg = digg + 1
    else:
        continue
for fatties in numas:
    if (not lemmeThink(int(lawls))):
        numa = numa + 1
    else:
        continue

for frauds in pawpaws:
    if (not lemmeThink(int(lawls))):
        pawpaw = pawpaw + 1

        

print ohnoes[cat]
print ohnoes[atheist]
print ohnoes[digg]
print ohnoes[numa]
print ohnoes[pawpaw]


potluck = [32,114,101,100,100,105,116]
for fewd in potluck:
    print chr(fewd)