interleave first every third

Submit

Language is selected by the extension of the file. See the list of supported languages to know the extension of your language.

Problem

interleave the first char of the input every third character

Options

exec is denied

rejudge feature is enabled

now post-mortem time, all source codes will be revealed

Sample input:_

abcdefg

Sample output:

abcadeafga

Sample input:_

Hello, World!

Sample output:

HelHloH, HWoHrlHd!H

Sample input:_

The Great Pyramid of Giza is the largest Egyptian pyramid. It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom

Sample output:

TheT GTreTatT PTyrTamTidT oTf TGiTzaT iTs TthTe TlaTrgTesTt TEgTypTtiTanT pTyrTamTidT. TItT sTerTveTd TasT tTheT tTomTb TofT pThaTraTohT KThuTfuT, TwhTo TruTleTd TduTriTngT tTheT FTouTrtTh TDyTnaTstTy TofT tTheT OTldT KTinTgdTomT

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