age = 10
new_age = 10 +1
new_age_too = age + 1
new_age_three = age + new_age_too
foo = "Hello"
bar = "World"
foobar = foo + bar

print(10-1-2,7)
print(1+2*3*4-5/7,25)
print(age, new_age, new_age_too, new_age_three )
print(foo, bar, foobar)
