Exception in thread "main" java.lang.NumberFormatException
        at java.math.BigDecimal.<init>(BigDecimal.java:494)
        at java.math.BigDecimal.<init>(BigDecimal.java:383)
        at java.math.BigDecimal.<init>(BigDecimal.java:806)
        at java.math.BigDecimal.valueOf(BigDecimal.java:1274)
        at BenfordLaw.main(BenfordLaw.java:17")