This is pdfeTeX, Version 3.141592-1.30.5-2.2 (Web2C 7.5.5) (format=pdflatex 2008.4.28) 5 JUN 2008 10:08 entering extended mode **esercizi.tex (./esercizi.tex LaTeX2e <2003/12/01> Babel and hyphenation patterns for american, french, german, ngerman, b ahasa, basque, bulgarian, catalan, croatian, czech, danish, dutch, esperanto, e stonian, finnish, greek, icelandic, irish, italian, latin, magyar, norsk, polis h, portuges, romanian, russian, serbian, slovak, slovene, spanish, swedish, tur kish, ukrainian, nohyphenation, loaded. ) ! Emergency stop. <*> esercizi.tex *** (job aborted, no legal \end found) Here is how much of TeX's memory you used: 5 strings out of 94432 127 string characters out of 1175566 48348 words of memory out of 1000000 3314 multiletter control sequences out of 10000+50000 3640 words of font info for 14 fonts, out of 500000 for 2000 580 hyphenation exceptions out of 1000 5i,0n,1p,1b,8s stack positions out of 1500i,500n,5000p,200000b,5000s PDF statistics: 0 PDF objects out of 300000 0 named destinations out of 131072 1 words of extra memory for PDF output out of 10000 No pages of output.