如题

#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main()
{
    int x,k;
    scanf("%lld %lld",&x,&k);
    while(k)
    {
        if(x == 1) break;
        x++;
        k--;
        if(!(x%3)) k/=3;
    }
    if(k)
    {
        if(k%2) putchar('2');
        else putchar('1');
    }
    else printf("%lld",x);
    return 0;
}