The output retains the floating point with 12 decimal digits and the 12 decimal digits.

The output retains the floating point with 12 decimal digits and the 12 decimal digits.

Total time limit: Ms memory limit: 65536kB

Description

Read a double-precision floating point number, retain 12 decimal places, and output this floating point number.

InputThere is only one row, one double-precision floating point number.OutputThere is only one row, and the floating point number with 12 decimal places is retained.Sample Input

3.1415926535798932

Sample output

3.141592653580

# Include <stdio. h>

Int main ()

{

Double;

Scanf ("% lf", & );

Printf ("%. 12f", );

Return 0;

}