def biinfinite(t,n):
    # ADD ADDITIONAL CODE HERE!
    pass

######### SUBMIT THE ABOVE CODE ONLY #########

print(biinfinite(1,2)) # 5702
print(biinfinite(3,-7)) # 202111532450
print(biinfinite(8,10**12)) # 7288766202
print(biinfinite(8,-10**12)) # 1763487502