m=["twen","thir","for","fif","six","seven","eigh","nine"]
n=["","one","two","three","four","five","six","seven","eight","nine"]
o=["ten","eleven","twelve","thir","four","fif"]
a="zero\n"
for j in range(1,10):a+=n[j]+"\n"
for j in range(6):a+=o[j]+"teen"*(j>2)+"\n"
for j in range(4,8):a+=m[j]+"teen"+"\n"
for i in range(8):
	for j in range(10):a+=m[i]+'ty'+(j>0)*" "+n[j]+"\n"
a+="one hundred"
print a