def czy_pierwsza(n):
d = 2
while d * d <= n:
if n % d == 0:
return False
d += 1
return True
def n_pierwsza(n):
numer = 0
i = 2
while numer != n:
if czy_pierwsza(i):
numer += 1
i += 1
return i - 1
print(n_pierwsza(349))
ZGVmIGN6eV9waWVyd3N6YShuKToKCWQgPSAyIAoJd2hpbGUgZCAqIGQgPD0gbjoKCQlpZiBuICUgZCA9PSAwOgoJCQlyZXR1cm4gRmFsc2UKCQlkICs9IDEKCXJldHVybiBUcnVlCgpkZWYgbl9waWVyd3N6YShuKToKCW51bWVyID0gMAoJaSA9IDIKCXdoaWxlIG51bWVyICE9IG46CgkJaWYgY3p5X3BpZXJ3c3phKGkpOgoJCQludW1lciArPSAxCgkJaSArPSAxCglyZXR1cm4gaSAtIDEKCQpwcmludChuX3BpZXJ3c3phKDM0OSkpCg==