import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class FMI {

    public static final String FLOATING_POINT_REGEX = "^[-+]?[0-9]*\\.[0-9]+([eE][-+]?[0-9]+)?$";

    public static void getDataTypeForNumber(String min, String max) {
        Pattern p = Pattern.compile(FLOATING_POINT_REGEX);

        if (p.matcher(min).find() || p.matcher(max).find()) {
            double minVal = Double.valueOf(min);
            double maxVal = Double.valueOf(max);

            if (Float.MIN_VALUE <= minVal && maxVal <= Float.MAX_VALUE) {
                System.out.println("float32");
            } else {
                System.out.println("float64");
            }
        } else {
            if (Integer.valueOf(min) == 0 && Integer.valueOf(max) == 1) {
                System.out.println("Bool");
            } else {
                long minVal = Long.valueOf(min);
                long maxVal = Long.valueOf(max);

                if (maxVal <= Byte.MAX_VALUE) {
                    if (minVal == 0) {
                        System.out.println("UInt8");
                        return;
                    } else if (Byte.MIN_VALUE <= minVal) {
                        System.out.println("Int8");
                        return;
                    }
                } else if (maxVal <= Short.MAX_VALUE) {
                    if (minVal == 0) {
                        System.out.println("UInt16");
                        return;
                    } else if (Short.MIN_VALUE <= minVal) {
                        System.out.println("Int16");
                        return;
                    }
                } else if (minVal == 0) {
                    System.out.println("UInt32");
                    return;
                } else if (Integer.MIN_VALUE <= minVal) {
                    System.out.println("Int32");
                    return;
                }
            }
        }
    }

    public static void main(String[] args) {
        FMI.getDataTypeForNumber("-15", "100000000");
    }
}