{"problem":{"name":"Study Scheduling","description":{"content":"In this problem, we use the $24$\\-hour clock. Takahashi gets up exactly at the time $H_1$ : $M_1$ and goes to bed exactly at the time $H_2$ : $M_2$. (See Sample Inputs below for clarity.) He has decid","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"nomura2020_a"},"statements":[{"statement_type":"Markdown","content":"In this problem, we use the $24$\\-hour clock.\nTakahashi gets up exactly at the time $H_1$ : $M_1$ and goes to bed exactly at the time $H_2$ : $M_2$. (See Sample Inputs below for clarity.) He has decided to study for $K$ consecutive minutes while he is up. What is the length of the period in which he can start studying?\n\n## Constraints\n\n*   $0 \\le H_1, H_2 \\le 23$\n*   $0 \\le M_1, M_2 \\le 59$\n*   The time $H_1$ : $M_1$ comes before the time $H_2$ : $M_2$.\n*   $K \\ge 1$\n*   Takahashi is up for at least $K$ minutes.\n*   All values in input are integers (without leading zeros).\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$H_1$ $M_1$ $H_2$ $M_2$ $K$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"nomura2020_a","tags":[],"sample_group":[["10 0 15 0 30","270\n\nTakahashi gets up at exactly ten in the morning and goes to bed at exactly three in the afternoon. It takes $30$ minutes to do the study, so he can start it in the period between ten o'clock and half-past two. The length of this period is $270$ minutes, so we should print $270$."],["10 0 12 0 120","0\n\nTakahashi gets up at exactly ten in the morning and goes to bed at exactly noon. It takes $120$ minutes to do the study, so he has to start it at exactly ten o'clock. Thus, we should print $0$."]],"created_at":"2026-03-03 11:01:14"}}