{"raw_statement":[{"iden":"problem statement","content":"Takahashi is solving quizzes. He has easily solved all but the last one.\nThe last quiz has three choices: $1$, $2$, and $3$.\nWith his supernatural power, Takahashi has found out that the choices $A$ and $B$ are both wrong.\nPrint the correct choice for this problem."},{"iden":"constraints","content":"*   Each of the numbers $A$ and $B$ is $1$, $2$, or $3$.\n*   $A$ and $B$ are different."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$A$\n$B$"},{"iden":"sample input 1","content":"3\n1"},{"iden":"sample output 1","content":"2\n\nWhen we know $3$ and $1$ are both wrong, the correct choice is $2$."},{"iden":"sample input 2","content":"1\n2"},{"iden":"sample output 2","content":"3"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}