You are given $3$ integers $A, B, C$. Each of $A, B, C$ is either $1$ or $2$. Between $1$ and $2$, which one appears more frequently?

Input

The input is given from Standard Input in the following format:

$$ A \ B \ C $$

Output

Between $1$ and $2$, output the one that appears more frequently.

Constraints

• Each of $A, B, C$ is either $1$ or $2$.

Examples

Input 1

1 2 1

Output 1

1

Note 1

• Since there are $2$ occurrences of $1$ and $1$ occurrence of $2$, output $1$, which appears more frequently.

Input 2

2 2 2

Output 2

2

Note 2

• Since all of them are $2$, output $2$.