discussion and analysis of financial condition and results of operations 2014liquidity and capital resources 2014 factors affecting sources of liquidity . 201d recent sales of unregistered securities during the year ended december 31 , 2005 , we issued an aggregate of 4670335 shares of our class a common stock upon conversion of $ 57.1 million principal amount of our 3.25% ( 3.25 % ) notes .
pursuant to the terms of the indenture , the holders of the 3.25% ( 3.25 % ) notes received 81.808 shares of class a common stock for every $ 1000 principal amount of notes converted .
the shares were issued to the noteholders in reliance on the exemption from registration set forth in section 3 ( a ) ( 9 ) of the securities act of 1933 , as amended .
no underwriters were engaged in connection with such issuances .
in connection with the conversion , we paid such holders an aggregate of $ 4.9 million , calculated based on the accrued and unpaid interest on the notes and the discounted value of the future interest payments on the notes .
subsequent to december 31 , 2005 , we issued shares of class a common stock upon conversions of additional 3.25% ( 3.25 % ) notes , as set forth in item 9b of this annual report under the caption 201cother information . 201d during the year ended december 31 , 2005 , we issued an aggregate of 398412 shares of our class a common stock upon exercises of 55729 warrants assumed in our merger with spectrasite , inc .
in august 2005 , in connection with our merger with spectrasite , inc. , we assumed approximately 1.0 million warrants to purchase shares of spectrasite , inc .
common stock .
upon completion of the merger , each warrant to purchase shares of spectrasite , inc .
common stock automatically converted into a warrant to purchase 7.15 shares of class a common stock at an exercise price of $ 32 per warrant .
net proceeds from these warrant exercises were approximately $ 1.8 million .
the shares of class a common stock issued to the warrantholders upon exercise of the warrants were issued in reliance on the exemption from registration set forth in section 3 ( a ) ( 9 ) of the securities act of 1933 , as amended .
no underwriters were engaged in connection with such issuances .
subsequent to december 31 , 2005 , we issued shares of class a common stock upon exercises of additional warrants , as set forth in item 9b of this annual report under the caption 201cother information . 201d issuer purchases of equity securities in november 2005 , we announced that our board of directors had approved a stock repurchase program pursuant to which we intend to repurchase up to $ 750.0 million of our class a common stock through december 2006 .
during the fourth quarter of 2005 , we repurchased 2836519 shares of our class a common stock for an aggregate of $ 76.6 million pursuant to our stock repurchase program , as follows : period total number of shares purchased ( 1 ) average price paid per share total number of shares purchased as part of publicly announced plans or programs ( 1 ) approximate dollar value of shares that may yet be purchased under the plans or programs ( in millions ) .

period
total number of shares purchased ( 1 )
average price paid per share
total number of shares purchased as part of publicly announced plans or programs ( 1 )
approximate dollar value of shares that may yet be purchased under the plans or programs ( in millions )
11/17/05 2013 11/30/05
874306
$ 26.25
874306
$ 727.0
12/1/05 2013 12/31/05
1962213
$ 27.29
1962213
$ 673.4
total fourth quarter
2836519
$ 26.97
2836519
$ 673.4

( 1 ) all issuer repurchases were made pursuant to the stock repurchase program publicly announced in november 2005 .
pursuant to the program , we intend to repurchase up to $ 750.0 million of our class a common stock during the period november 2005 through december 2006 .
under the program , our management is authorized to purchase shares from time to time in open market purchases or privately negotiated transactions at prevailing prices as permitted by securities laws and other legal requirements , and subject to market conditions and other factors .
to facilitate repurchases , we entered into a trading plan under rule 10b5-1 of the securities exchange act of 1934 , which allows us to repurchase shares during periods when we otherwise might be prevented from doing so under insider trading laws or because of self- imposed trading blackout periods .
the program may be discontinued at any time .
since december 31 , 2005 , we have continued to repurchase shares of our class a common stock pursuant to our stock repurchase program .
between january 1 , 2006 and march 9 , 2006 , we repurchased 3.9 million shares of class a common stock for an aggregate of $ 117.4 million pursuant to the stock repurchase program. .

Question: what is the total amount of cash used for stock repurchase during november 2005 , in millions?
Answer: 23.0

Question: what is the total amount of cash used for stock repurchase during december 2005 , in millions?
Answer: 53.5