s/^/3,5 5,7 11,13 17,19 29,31 41,43 59,61 71,73 101,103 107,109 137,139 149,151 179,181 191,193 197,199 227,229 239,241 269,271 281,283 311,313 347,349 419,421 431,433 461,463 521,523 569,571 599,601 617,619 641,643 659,661 809,811 821,823 827,829 857,859 881,883 1019,1021 1031,1033 1049,1051 1061,1063 1091,1093 1151,1153 1229,1231 1277,1279 1289,1291 1301,1303 1319,1321 1427,1429 1451,1453 1481,1483 1487,1489 1607,1609 1619,1621 1667,1669 1697,1699 1721,1723 1787,1789 1871,1873 1877,1879 1931,1933 1949,1951 1997,1999/
y/ /\n/