# Problem A

Above Sea Level

As a GPS hobbyist, you are interested in looking at how a database of altitude recordings will change to account for sea level rise. For your projections, you will assume that between now and $2050$, the sea level will rise by $30$ centimeters. Your input will be a single altitude entry from a database of geolocations (given in meters). You need to output what that altitude will be in $2050$, modified by your sea level rise projection.

## Input

A single real number $-100\, 000 \leq N \leq 100\, 000$, representing a single altitude entry. The number contains at most $4$ digits after the decimal point.

## Output

Print the predicted altitude in $2050$. Your output must be within $0.001$ of the correct answer to be accepted.

Sample Input 1 | Sample Output 1 |
---|---|

150.5 |
150.2 |

Sample Input 2 | Sample Output 2 |
---|---|

60580.6373 |
60580.3373 |

Sample Input 3 | Sample Output 3 |
---|---|

-475.1901 |
-475.4901 |