This is TeX, Version 3.14159 (Web2C 7.3.1) (format=latex 2002.9.24) 31 MAR 2004 13:37 **\nonstopmode\input lek11.texy ! Emergency stop. <*> \nonstopmode\input lek11.texy *** (job aborted, file error in nonstop mode) Here is how much of TeX's memory you used: 3 strings out of 10898 20 string characters out of 72280 44020 words of memory out of 263001 3017 multiletter control sequences out of 10000+0 3640 words of font info for 14 fonts, out of 400000 for 1000 14 hyphenation exceptions out of 1000 4i,0n,3p,1b,7s stack positions out of 300i,100n,500p,50000b,4000s No pages of output.