 I = ITERATION NUMBER
 EI = ESTIMATED INTEGRAL
 I =  512
 EI =  0.9999562489621427
 I =  1024
 EI =  0.999713791146755
 I =  2048
 EI =  0.9999491497757775
 I =  4096
 EI =  0.9999468969847435
 Total time elapsed =  0.13607088
