n = ['zero','one','two','three','four','five','six','seven','eight','nine','ten','eleven','twelve']
for a in n:print a
g=['fif']+n[6:8]+['eigh','nine']
for a in ['thir','four']+g:print a+'teen' 
for a in ['twen','thir','for']+g:
 j=a+'ty';print j;
 for b in range(9):print j+' '+n[b+1]
print 'one hundred'