{"raw_statement":[{"iden":"problem statement","content":"A condominium _AtCoder_ has $N$ floors, called the $1$\\-st floor through the $N$\\-th floor. Each floor has $K$ rooms, called the $1$\\-st room through the $K$\\-th room.\nHere, both $N$ and $K$ are one-digit integers, and the $j$\\-th room on the $i$\\-th floor has the room number `i0j`. For example, the $2$\\-nd room on the $1$\\-st floor has the room number $102$.\nTakahashi, the manager, got interested in the sum of the room numbers of all rooms in the condominium, where each room number is seen as a three-digit integer. Find this sum."},{"iden":"constraints","content":"*   $1 \\leq N,K \\leq 9$\n*   $N$ and $K$ are integers."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$N$ $K$"},{"iden":"sample input 1","content":"1 2"},{"iden":"sample output 1","content":"203\n\nThe condominium has two rooms $101$ and $102$. We have $101+102=203$."},{"iden":"sample input 2","content":"3 3"},{"iden":"sample output 2","content":"1818"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}