A burger machine has been installed at ADA University. To produce one burger, one bun and one cutlet should be put into the machine. Huseyn has $n$ buns and $m$ cutlets. What is the largest number of burgers can make Huseyn? \InputFile Two integers $n$ and $m~(n, m \le 10^9)$. \OutputFile Print the maximum number of burgers that Huseyn can make.