{"raw_statement":[{"iden":"problem statement","content":"There is an $N$\\-car train.\nYou are given an integer $i$. Find the value of $j$ such that the following statement is true: \"the $i$\\-th car from the front of the train is the $j$\\-th car from the back.\""},{"iden":"constraints","content":"*   $1 \\leq N \\leq 100$\n*   $1 \\leq i \\leq N$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$N$ $i$"},{"iden":"sample input 1","content":"4 2"},{"iden":"sample output 1","content":"3\n\nThe second car from the front of a $4$\\-car train is the third car from the back."},{"iden":"sample input 2","content":"1 1"},{"iden":"sample output 2","content":"1"},{"iden":"sample input 3","content":"15 11"},{"iden":"sample output 3","content":"5"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}