infile_=infile_.txt
chainfile2_=chainfile2_.txt
chaintracefile2_=chaintracefile2_.txt
chainfile1_=chainfile1_.txt
chaintreefile2_=chaintreefile2_.txt
chaintreefile1_=chaintreefile1_.txt
chainparamfile2_=chainparamfile2_.txt
chaintracefile1_=chaintracefile1_.txt
chainmonfile1_=chainmonfile1_.txt
chainmonfile2_=chainmonfile2_.txt
chainparamfile1_=chainparamfile1_.txt