Round Float to Three Decimal Places

Given a single precision floating-point number, output the number rounded to 3 decimal places.

Mathematically, if the input is x, then the output should be \(\text{round}(x, 3)\).

Note: There is no need to consider floating point errors.

inputFormat

The input consists of a single line containing one single precision floating-point number.

outputFormat

Output the input number rounded to 3 decimal places.

sample

3.1415926

3.142