Problems
Grades
Grades
Peter the boy gets only twos and fives at school. Find which grades more.
\InputFile
One line contains the Peter's grades. It is known that Peter gets only twos and fives, the grades are given without spaces and there are no more than $1000$ grades.
\OutputFile
Print $5$ if fives more than twos. Print $2$ if twos more than fives. If the twos and fives are the same amount, print the equality symbol "$=$".
Input example #1
255222
Output example #1
2
Input example #2
555522
Output example #2
5
Input example #3
525522
Output example #3
=