a = 1
b = 2
c = 'hello'
print(max(a, b, 3)) 
print(round((a+100)/(b+5)))
max(a, b, 12, b*7, 6)
a + b * 4
a < b
a > b
a / b
d = (a + 4) ** b
e = c + ' world'
print(a, b, c, d, e)
print(e.upper())