How do you get the two orbs in Pokemon FireRed?

to get the ruby you hav to go up by wer moltres is then ther will be two team rocket mebers ther beat them an then luk through the cave it will be ther sumwer after you get it take it to the man in one island pkmon centre then he will ask you to get the other one and i think the Sapphire is on 6 island