Mineral Water

let input = [
    '0',
    '3',

];
let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);
//Code
let smallBottles = +gets();
let bigBottles = +gets();
let capacity = +gets();
let fiveCapacity = parseInt(capacity/5)
if (((bigBottles>=fiveCapacity&&(capacity-fiveCapacity*5)<=smallBottles)&& bigBottles !==0)){
    print (capacity-fiveCapacity*5)
} else if ((bigBottles<=fiveCapacity&&(capacity-bigBottles*5)<=smallBottles)&& bigBottles !==0) {
    print (capacity-fiveCapacity*5)
} else if (bigBottles==0 && smallBottles>=capacity){
    print(capacity)
} else {
    print(-1)
}