Please capitalize where necessary: hi, my name is pinksweety and i am 18 years.
A: Hi, my name is PinkSweety and I am 18 years.

Please capitalize where necessary: if you would like to stay a couple of days we can help you with accommodation. se our packages below.
A: If you would like to stay a couple of days we can help you with accommodation. Se our packages below.

Please capitalize where necessary: he also posed a generalisation of the continuum hypothesis by asking if 2 to the power a was equal to a+1.
A: He also posed a generalisation of the continuum hypothesis by asking if 2 to the power a was equal to a+1.

Please capitalize where necessary: for this reason his advice was often solicited in regard to filling mathematical professorships both in germany and elsewhere; his recommendations were probably as significant as those of his erstwhile friend weierstrass .
A:
For this reason his advice was often solicited in regard to filling mathematical professorships both in Germany and elsewhere; his recommendations were probably as significant as those of his erstwhile friend Weierstrass .