{"raw_statement":[{"iden":"problem statement","content":"Summer vacation ended at last and the second semester has begun. You, a Kyoto University student, came to university and heard a rumor that somebody will barricade the entrance of your classroom. The barricade will be built just before the start of the $A$\\-th class and removed by Kyoto University students just before the start of the $B$\\-th class. All the classes conducted when the barricade is blocking the entrance will be cancelled and you will not be able to attend them. Today you take $N$ classes and class $i$ is conducted in the $t_i$\\-th period. You take at most one class in each period. Find the number of classes you can attend."},{"iden":"constraints","content":"*   $1 \\leq N \\leq 1000$\n*   $1 \\leq A < B \\leq 10^9$\n*   $1 \\leq t_i \\leq 10^9$\n*   All $t_i$ values are distinct."},{"iden":"input","content":"$N$, $A$ and $B$ are given on the first line and $t_i$ is given on the $(i+1)$\\-th line.\n\n$N$ $A$ $B$\n$t1$\n:\n$tN$"},{"iden":"sample input 1","content":"5 5 9\n4\n3\n6\n9\n1"},{"iden":"sample output 1","content":"4\n\nYou can not only attend the third class."},{"iden":"sample input 2","content":"5 4 9\n5\n6\n7\n8\n9"},{"iden":"sample output 2","content":"1\n\nYou can only attend the fifth class."},{"iden":"sample input 3","content":"4 3 6\n9\n6\n8\n1"},{"iden":"sample output 3","content":"4\n\nYou can attend all the classes."},{"iden":"sample input 4","content":"2 1 2\n1\n2"},{"iden":"sample output 4","content":"1\n\nYou can not attend the first class, but can attend the second."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}