# Email
# Click me to show the result
import base64
s = 'a2lmdWFuQGZveG1haWwuY' + ${\int }_{-t}^t(x{e}^{3x^2}\cos \frac{3}{7}\pi x+\frac{29}{2})\mathrm{d}x$
base64.b64decode(s.encode())