#include<stdio.h>

float print1(void)
{
	float x;
	printf("Enter the value of x: ");
	scanf("%f",&x);
	return x;
}

int print2(void)
{
	int n;
	printf("Enter the value of n: ");
	scanf("%d",&n);
	return n;
}

float expon(float x, int m)
{
	int j;
	float num = 1;
	
	for(j=0;j<m;j++)
		num = num * x;

	return num;
}

float fac(int m)
{
	float den=1;
	int j;
	for(j=0;j<m;j++)
		den = den * (j+1);
	
	return den;
}

void print3(float x, float ans)
{
	printf("Value of exp(%f) = %.10f\n",x,ans);
}

int main()
{
	int n,i,j;
	float x,sum,den,num;
	x = print1();
	n = print2();
	sum = 0;
	for(i=0;i<n;i++)
	{
		num = expon(x,i);
		den = fac(i);

		//printf("%f %f %f\n",num,den,sum);
		sum = sum + num/den;
	}
	print3(x,sum);

}