View Code of Problem 64

#include<stdio.h>
int main(){
    int n,i,k,l;
    while(~scanf("%d%d%d",&n,&k,&l)){
        if(n==0&&k==0&&l==0)
            break;
        for(i=0;i<n-2;i++){
            if(k-k/2+k>l)
                break;
            k=k-k/2+k;
        }
        printf("%d\n",k);
    }
    return 0;
}