100 atcoder#ABC196B. [ABC196B] Round Down

[ABC196B] Round Down

Score : 200200 points

Problem Statement

Given an integer or a decimal XX, round it down to an integer and print the result.

Constraints

  • 0X101000 \le X \le 10^{100}
  • XX is an integer or a decimal with at most 100100 digits after the decimal point, without unnecessary leading zeros.

Input

Input is given from Standard Input in the following format:

XX

Output

Round XX down to an integer and print the result (as an integer).

5.90
5

We round down 5.905.90 to an integer, 55, and print it as an integer. Non-integer outputs such as 5.0 will be judged as incorrect.

0
0

There may be no decimal point in XX.

84939825309432908832902189.9092309409809091329
84939825309432908832902189

Take care when handling large numbers.