#!/usr/bin/python3
import sympy as sym
import sympy.printing as printing
import mpmath as mp

def main():
	x=sym.Symbol('x')
	y=sym.integrate(sym.exp(-x),x)
	print ("Rsult={}".format(y))
	print ("${}$".format(printing.latex(y)))

if __name__=="__main__":
	main()