puts <<S 2 3 5 7 23 37 53 73 223 227 233 257 277 337 353 373 523 557 577 727 733 757 773 2237 2273 2333 2357 2377 2557 2753 2777 3253 3257 3323 3373 3527 3533 3557 3727 3733 5227 5233 5237 5273 5323 5333 5527 5557 5573 5737 7237 7253 7333 7523 7537 7573 7577 7723 7727 7753 7757 S
Note that non-ascii characters in the above source code will be escaped (such as \x9f).