savenotes problem

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Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

[1

{C:/Users/HP 250/AppData/Local/MiKTeX/2.9/pdftex/config/pdftex.map}]
(texstudio_zy2452.aux) )
Here is how much of TeX's memory you used:
 30525 strings out of 492946
 669793 string characters out of 3125820
 727537 words of memory out of 3000000
 34019 multiletter control sequences out of 15000+200000
 535763 words of font info for 36 fonts, out of 3000000 for 9000
 1141 hyphenation exceptions out of 8191
 63i,12n,101p,821b,931s stack positions out of 5000i,500n,10000p,200000b,50000s
<C:/Users/HP 250/AppData/Local/Programs/MiKTeX 2.9/font
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i7.pfb>
Output written on texstudio_zy2452.pdf (1 page, 61928 bytes).
PDF statistics:
 65 PDF objects out of 1000 (max. 8388607)
 0 named destinations out of 1000 (max. 500000)
 157 words of extra memory for PDF output out of 10000 (max. 10000000)