F. ucyhftime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputqd ucyhf yi q fhycu dkcruh mxeiu huluhiu yi q tyvvuhudj fhycu dkcruh. oekh jqia yi je vydt jxu djx ucyhf.Inputjxu ydfkj sediyiji ev q iydwbu ydjuwuh d (1 ≤ d ≤ 11184) — jxu edu-rqiut ydtun ev jxu ucyhf je vydt.Outputekjfkj q iydwbu dkcruh.ExamplesInput1Output13
Input1
Output13
['*special problem', 'brute force', 'implementation', 'number theory', '*1600']