import math
import random
a = random.randint(2,10)
b = random.randint(2,10)
while a == b:
a = random.randint(2,10)
b = random.randint(2,10)
print("a =", a, "см", "b =", b, "см.")
c = math.sqrt(a**2+b**2)
print("c =",'%.1f' % c, "см.")
p = a+b+c
print("P =",'%.1f' % p, "см.")
s = (a*b)/2
print("S =",'%.1f' % s, "см^2.")