\input{file}
The \input command causes the indicated file to be read and processed, exactly as if its contents had been inserted in the current file at that point. The file name may be a complete file name with extension or just a first name, in which case the file FILE.TEX is used.
\input{soubor}
Prikaz \input vlozi na toto misto obsah souboru. Jmeno souboru muze byt bez pripony, v tom pripade se automaticky dosadi pripona .TEX .