import fractions
import math
x = -3
a = abs(x)
print('a = {}'.format(a))
p = 12
q = 18
g = fractions.gcd(p, q)
print('g = {}'.format(g))
n = 3
z = q**n
print('z = {}'.format(z))
r = pow(q, 10**9 + 5, 10**9 + 7)
print('r = {}'.format(r))
s = math.sqrt(q)
print('s = {}'.format(s))
aW1wb3J0IGZyYWN0aW9ucwppbXBvcnQgbWF0aAoKeCA9IC0zCmEgPSBhYnMoeCkKcHJpbnQoJ2EgPSB7fScuZm9ybWF0KGEpKQpwID0gMTIKcSA9IDE4CmcgPSBmcmFjdGlvbnMuZ2NkKHAsIHEpCnByaW50KCdnID0ge30nLmZvcm1hdChnKSkKbiA9IDMKeiA9IHEqKm4KcHJpbnQoJ3ogPSB7fScuZm9ybWF0KHopKQpyID0gcG93KHEsIDEwKio5ICsgNSwgMTAqKjkgKyA3KQpwcmludCgnciA9IHt9Jy5mb3JtYXQocikpCnMgPSBtYXRoLnNxcnQocSkKcHJpbnQoJ3MgPSB7fScuZm9ybWF0KHMpKQo=