{"problem":{"name":"Sandglass2","description":{"content":"We have a sandglass that runs for $X$ seconds. The sand drops from the upper bulb at a rate of $1$ gram per second. That is, the upper bulb initially contains $X$ grams of sand. How many grams of sand","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc072_a"},"statements":[{"statement_type":"Markdown","content":"We have a sandglass that runs for $X$ seconds. The sand drops from the upper bulb at a rate of $1$ gram per second. That is, the upper bulb initially contains $X$ grams of sand.\nHow many grams of sand will the upper bulb contains after $t$ seconds?\n\n## Constraints\n\n*   $1≤X≤10^9$\n*   $1≤t≤10^9$\n*   $X$ and $t$ are integers.\n\n## Input\n\nThe input is given from Standard Input in the following format:\n\n$X$ $t$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc072_a","tags":[],"sample_group":[["100 17","83\n\n$17$ out of the initial $100$ grams of sand will be consumed, resulting in $83$ grams."],["48 58","0\n\nAll $48$ grams of sand will be gone, resulting in $0$ grams."],["1000000000 1000000000","0"]],"created_at":"2026-03-03 11:01:13"}}