a*b问题的哥哥
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题目描述
有两个数a,b(1<=a,b<=1000)，求出a*b+1。
输入输出格式
输入
一行输入：a和b，用空格分隔。
输出
一行，a*b+1。
样例
1 1
2
55 55
3026
