{"raw_statement":[{"iden":"problem statement","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?"},{"iden":"constraints","content":"*   $0 \\le H_1, H_2 \\le 23$\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)."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$H_1$ $M_1$ $H_2$ $M_2$ $K$"},{"iden":"sample input 1","content":"10 0 15 0 30"},{"iden":"sample output 1","content":"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 $270$."},{"iden":"sample input 2","content":"10 0 12 0 120"},{"iden":"sample output 2","content":"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 $0$."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}