This is TeX, Version 3.14159 (Web2C 7.3.1) (format=latex 2000.1.27) 27 APR 2001 10:31 **n7 (n7.tex LaTeX2e <1998/12/01> patch level 1 Babel and hyphenation patterns for american, french, german, ngerman, n ohyphenation, loaded. ! LaTeX Error: File `article.cls' not found. Type X to quit or to proceed, or enter new name. (Default extension: cls) Enter file name: ! Emergency stop. l.2 ^^M End of file on the terminal! Here is how much of TeX's memory you used: 8 strings out of 10901 71 string characters out of 72025 43956 words of memory out of 263001 3019 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 10i,0n,7p,34b,7s stack positions out of 300i,100n,500p,50000b,4000s No pages of output.