#include <iostream>
#include <string>
const int HUGEINTEGERSIZE = 1000;
using namespace std;
inline int getSize(int a[])
{
	int i = 0;
	while (i < HUGEINTEGERSIZE && a[i++] == 0) {
	}
	return HUGEINTEGERSIZE + 1 - i;
}
int main()
{
	string input;
	while (cin>>input)
	{
		int number[HUGEINTEGERSIZE] = { 0 };
		int a[HUGEINTEGERSIZE] = { 0 };
		
		int dotpos=0,status=false;
		for(int i=input.length()-1,ai = 1;i>=0;--i)
		{
			if (input[i] == '.')
			{
				status = true;
			}
			else
			{
				if (status == false)
					++dotpos;
				a[HUGEINTEGERSIZE - ai] = input[i] - '0';
				ai++;
			}
		}
		if (status==false)
			dotpos = 0;
		else
		{
			int zero = 0,i=HUGEINTEGERSIZE - 1;
			while (a[i] == 0&&zero<dotpos)
			{
				--i;
				++zero;
			}
			if (zero > 0)
			{
				for (; i >= 0; --i)
					a[i + zero] = a[i];
				dotpos -= zero;
			}

		}
		int n;
		cin >> n;
		if (n > 0)
		{
			int decnum = dotpos * n;
			int tempNum[HUGEINTEGERSIZE] = { 0 };
			tempNum[HUGEINTEGERSIZE - 1] = 1;
			int i, j;
			while (n-- > 0)
			{
				for (int i = 0; i < HUGEINTEGERSIZE; i++)
				{
					number[i] = 0;
				}
				int M = getSize(a), N = getSize(tempNum);
				for (i = 0; i < N; ++i) {
					for (j = 0; j < M; ++j) {
						number[HUGEINTEGERSIZE - 1 - j - i] += tempNum[HUGEINTEGERSIZE - 1 - i] * a[HUGEINTEGERSIZE - 1 - j];
					}
				}
				for (i = HUGEINTEGERSIZE - 1; i >= HUGEINTEGERSIZE - M - N && i > 0; --i) {
					if (number[i] >= 1000) {
						number[i - 3] += number[i] / 1000;
						number[i] %= 1000;
					}
					if (number[i] >= 100) {
						number[i - 2] += number[i] / 100;
						number[i] = number[i] % 100;
					}
					if (number[i] >= 10) {
						number[i - 1] = number[i] / 10 + number[i - 1];
						number[i] = number[i] % 10;
					}
				}
				for (int i = 0; i < HUGEINTEGERSIZE; ++i)
					tempNum[i] = number[i];
			}
			if (decnum >= getSize(number))
			{
				cout << '.';
				for (int i = HUGEINTEGERSIZE - decnum; i < HUGEINTEGERSIZE; ++i)
				{
					cout << number[i];
				}
			}
			else if (decnum > 0)
			{
				i = 0;
				while (i < HUGEINTEGERSIZE && number[i] == 0)
				{
					i++;
				}
				for (; i < HUGEINTEGERSIZE - decnum; ++i)
					cout << number[i];
				cout << '.';
				for (; i < HUGEINTEGERSIZE; ++i)
					cout << number[i];
			}
			else
			{
				i = 0;
				while (i < HUGEINTEGERSIZE && number[i] == 0)
				{
					i++;
				}
				if (i >= HUGEINTEGERSIZE)
				{
					cout << 0;
				}
				for (; i < HUGEINTEGERSIZE; ++i)
					cout << number[i];
			}
		}
		else
		{
			cout << 1;
		}
		cout << endl;
	}
	
}