I ran ./minerd -a sha256d -o stratum+tcp://stratum.f2pool.com:3333 -u (my username).node1. Here is a sample of the output:

[2015-07-05 07:15:23] thread 1: 146649416 hashes, 2332 khash/s [2015-07-05 07:15:24] thread 2: 146553656 hashes, 2336 khash/s [2015-07-05 07:15:25] thread 0: 146977944 hashes, 2332 khash/s [2015-07-05 07:16:34] thread 3: 140158460 hashes, 1976 khash/s [2015-07-05 07:16:34] thread 2: 140169760 hashes, 1986 khash/s [2015-07-05 07:16:34] thread 1: 139945520 hashes, 1968 khash/s [2015-07-05 07:16:36] thread 0: 139935536 hashes, 1979 khash/s [2015-07-05 07:17:27] thread 1: 118086220 hashes, 2251 khash/s [2015-07-05 07:17:27] thread 2: 119150888 hashes, 2247 khash/s [2015-07-05 07:17:27] thread 3: 118589808 hashes, 2228 khash/s [2015-07-05 07:17:29] thread 0: 118715120 hashes, 2241 khash/s [2015-07-05 07:18:25] thread 3: 133685248 hashes, 2320 khash/s [2015-07-05 07:18:25] thread 2: 134829324 hashes, 2331 khash/s [2015-07-05 07:18:25] thread 1: 135066588 hashes, 2305 khash/s [2015-07-05 07:18:27] thread 0: 134440760 hashes, 2324 khash/s [2015-07-05 07:19:26] thread 1: 138319856 hashes, 2290 khash/s [2015-07-05 07:19:26] thread 3: 139194024 hashes, 2283 khash/s [2015-07-05 07:19:26] thread 2: 139838276 hashes, 2284 khash/s [2015-07-05 07:19:27] thread 0: 139453064 hashes, 2298 khash/s
It just stays like this, with no yays or boos... What am I doing wrong? (OS X Yosemite)