{"problem":{"name":"10yen Stamp","description":{"content":"Takahashi wants to send a letter to Santa Claus. He has an envelope with an $X$\\-yen (Japanese currency) stamp stuck on it.   To be delivered to Santa Claus, the envelope must have stamps in a total v","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc233_a"},"statements":[{"statement_type":"Markdown","content":"Takahashi wants to send a letter to Santa Claus. He has an envelope with an $X$\\-yen (Japanese currency) stamp stuck on it.  \nTo be delivered to Santa Claus, the envelope must have stamps in a total value of at least $Y$ yen.  \nTakahashi will put some more $10$\\-yen stamps so that the envelope will have stamps worth at least $Y$ yen in total.  \nAt least how many more $10$\\-yen stamps does Takahashi need to put on the envelope?\n\n## Constraints\n\n*   $X$ and $Y$ are integers.\n*   $1 \\le X,Y \\le 1000$\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$X$ $Y$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc233_a","tags":[],"sample_group":[["80 94","2\n\n*   After adding zero $10$\\-yen stamps to the $80$\\-yen stamp, the total is $80$ yen, which is less than the required amount of $94$ yen.\n*   After adding one $10$\\-yen stamp to the $80$\\-yen stamp, the total is $90$ yen, which is less than the required amount of $94$ yen.\n*   After adding two $10$\\-yen stamps to the $80$\\-yen stamp, the total is $100$ yen, which is not less than the required amount of $94$ yen."],["1000 63","0\n\nThe envelope may already have a stamp with enough value."],["270 750","48"]],"created_at":"2026-03-03 11:01:14"}}