[알고리즘] 백준 14489 - 치킨 두 마리 (...)

#include <iostream>
using namespace std;

int main(){
    long long A, B, C;
    cin >> A >> B >> C;
    if(A + B - 2 * C >= 0){
        cout << A + B - 2 * C << "\n";
    }
    else{
        cout << A + B << "\n";
    }
    return 0;
}