{"problem":{"name":"Multiple of 2 and N","description":{"content":"You are given a positive integer $N$. Find the minimum positive integer divisible by both $2$ and $N$.","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc102_a"},"statements":[{"statement_type":"Markdown","content":"You are given a positive integer $N$. Find the minimum positive integer divisible by both $2$ and $N$.\n\n## Constraints\n\n*   $1 \\leq N \\leq 10^9$\n*   All values in input are integers.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$N$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc102_a","tags":[],"sample_group":[["3","6\n\n$6$ is divisible by both $2$ and $3$. Also, there is no positive integer less than $6$ that is divisible by both $2$ and $3$. Thus, the answer is $6$."],["10","10"],["999999999","1999999998"]],"created_at":"2026-03-03 11:01:14"}}