{"problem":{"name":"Growth Record","description":{"content":"Takahashi had his $N$\\-th birthday, when he was $T$ centimeters tall.   Additionally, we know the following facts: *   In each year between Takahashi's birth ($0$\\-th birthday) and his $X$\\-th birthd","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc259_a"},"statements":[{"statement_type":"Markdown","content":"Takahashi had his $N$\\-th birthday, when he was $T$ centimeters tall.  \nAdditionally, we know the following facts:\n\n*   In each year between Takahashi's birth ($0$\\-th birthday) and his $X$\\-th birthday, his height increased by $D$ centimeters. More formally, for each $i = 1, 2, \\ldots, X$, his height increased by $D$ centimeters between his $(i-1)$\\-th birthday and his $i$\\-th birthday.\n*   Between Takahashi's $X$\\-th birthday and his $N$\\-th birthday, his height did not change.\n\nFind Takahashi's height on his $M$\\-th birthday, in centimeters.\n\n## Constraints\n\n*   $0 \\leq M \\lt N \\leq 100$\n*   $1 \\leq X \\leq N$\n*   $1 \\leq T \\leq 200$\n*   $1 \\leq D \\leq 100$\n*   Takahashi was at least $1$ centimeter tall at his birth.\n*   All values in input are integers.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$N$ $M$ $X$ $T$ $D$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc259_a","tags":[],"sample_group":[["38 20 17 168 3","168\n\nIn this sample, Takahashi was $168$ centimeters tall on his $38$\\-th birthday. Also, his height did not change between his $17$\\-th birthday and $38$\\-th birthday.  \nFrom these facts, we find that he was $168$ centimeters tall on his $20$\\-th birthday, so the answer is $168$."],["1 0 1 3 2","1\n\nIn this sample, Takahashi was $1$ centimeter tall on his $0(=M)$\\-th birthday and $3(=T)$ centimeters tall on his $1(=N)$\\-st birthday."],["100 10 100 180 1","90"]],"created_at":"2026-03-03 11:01:14"}}