Vending Machine
Time limit1sMemory limit256 MB
Given a sequence of vending machine button presses with fixed prices, subtract the total cost from 5000 won and print the change.
- Level
Easy2 of 10
- Topics
- Implementation, Math, Simulation
- Solved
- No attempts yet
Problem
Jeongung took the 5000 won allowance from his mother and went to a vending machine.
The vending machine has three buttons.
- Pressing 1 gets him a 500 won Lessbi.
- Pressing 2 gets him an 800 won Gatorade.
- Pressing 3 gets him a 1000 won Coca-Cola.
Given the sequence of button numbers he pressed, find the change. He never presses a button that would exceed the money he has.
Input
The first line gives the numbers of the buttons Jeongung pressed, separated by spaces. Jeongung pressed at least one button.
Output
Print the change the vending machine returns on the first line.