Crashes:

 Java Exception: java.lang.NumberFormatException: Character I is neither a decimal digit number, decimal point, nor "e" notation exponential mark.
        at java.base/java.math.BigDecimal.<init>(BigDecimal.java:582)
        at java.base/java.math.BigDecimal.<init>(BigDecimal.java:467)
        at java.base/java.math.BigDecimal.<init>(BigDecimal.java:896)
        at java.base/java.math.BigDecimal.valueOf(BigDecimal.java:1354)
        at org.mariuszgromada.math.mxparser.mathcollection.MathFunctions.powInt(MathFunctions.java:1050)
        at org.mariuszgromada.math.mxparser.mathcollection.MathFunctions.power(MathFunctions.java:1074)
        at org.mariuszgromada.math.mxparser.Expression.POWER(Expression.java:2842)
        at org.mariuszgromada.math.mxparser.Expression.calculate(Expression.java:6178)
        at org.mariuszgromada.math.mxparser.Expression.calculate(Expression.java:5650)
        at Fuz.callApi(Fuz.java:8)
        at Fuz.fuzzerTestOneInput(Fuz.java:12)

Java Exception: java.lang.ArithmeticException: Invalid operation
        at java.base/java.math.BigDecimal.pow(BigDecimal.java:2468)
        at org.mariuszgromada.math.mxparser.mathcollection.MathFunctions.powInt(MathFunctions.java:1051)
        at org.mariuszgromada.math.mxparser.mathcollection.MathFunctions.power(MathFunctions.java:1074)
        at org.mariuszgromada.math.mxparser.Expression.POWER(Expression.java:2842)
        at org.mariuszgromada.math.mxparser.Expression.calculate(Expression.java:6178)
        at org.mariuszgromada.math.mxparser.Expression.calculate(Expression.java:5650)
        at Fuz.callApi(Fuz.java:8)
        at Fuz.fuzzerTestOneInput(Fuz.java:12)

Java Exception: java.lang.ArithmeticException: BigInteger would overflow supported range
        at java.base/java.math.BigInteger.reportOverflow(BigInteger.java:1169)
        at java.base/java.math.BigInteger.pow(BigInteger.java:2502)
        at java.base/java.math.BigDecimal.pow(BigDecimal.java:2472)
        at org.mariuszgromada.math.mxparser.mathcollection.MathFunctions.powInt(MathFunctions.java:1051)
        at org.mariuszgromada.math.mxparser.mathcollection.MathFunctions.power(MathFunctions.java:1074)
        at org.mariuszgromada.math.mxparser.Expression.POWER(Expression.java:2842)
        at org.mariuszgromada.math.mxparser.Expression.calculate(Expression.java:6178)
        at org.mariuszgromada.math.mxparser.Expression.calculate(Expression.java:5650)
        at Fuz.callApi(Fuz.java:8)
        at Fuz.fuzzerTestOneInput(Fuz.java:12)