{"problem":{"name":"Tiny Arithmetic Sequence","description":{"content":"You are given a sequence of three numbers: $A=(A_1,A_2,A_3)$. Is it possible to rearrange the elements of $A$ into an arithmetic sequence? In other words, is it possible to rearrange the elements of $","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc201_a"},"statements":[{"statement_type":"Markdown","content":"You are given a sequence of three numbers: $A=(A_1,A_2,A_3)$.\nIs it possible to rearrange the elements of $A$ into an arithmetic sequence?\nIn other words, is it possible to rearrange the elements of $A$ so that $A_3-A_2=A_2-A_1$?\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$A_1$ $A_2$ $A_3$\n\n## Constrains\n\n*   $1 \\leq A_i \\leq 100$\n*   All values in input are integers.\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc201_a","tags":[],"sample_group":[["5 1 3","Yes\n\nWe can rearrange them into an arithmetic sequence by, for example, making it $(1,3,5)$."],["1 4 3","No\n\nThere is no way to rearrange them into an arithmetic sequence."],["5 5 5","Yes\n\nAll elements of $A$ may be equal, or $A$ may be an arithmetic sequence already."]],"created_at":"2026-03-03 11:01:14"}}