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Language: Set Definition
Description Set S is defined as follows:
(1) 1 is in S; (2) If x is in S, then 2x + 1 and 3x + 1 are also in S; (3) No other element belongs to S. Find the N-th element of set S, if we sort the elements in S by increasing order. Input Input will contain several test cases; each contains a single positive integer N (1 <= N <= 10000000), which has been described above. Output For each test case, output the corresponding element in S. Sample Input 100 254 Sample Output 418 1461 Source POJ Monthly--2005.08.28,Static |

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