View Code of Problem 64

#include <iostream>
#include <cstdio>
using namespace std;
int main(){
    int n,k,l;
    while(cin>>n>>k>>l){
        if(n==0&&k==0&&l==0)
            break;
        if(k-k/2+k<=l)
            k=k-k/2+k;
        //            cout<<k<<" ";
        cout<<k<<endl;
    }
    return 0;
}