#include<bits/stdc++.h>

usingnamespacestd;

constintMAXN=100;

constintX=3;

longlongf[1005];

voidinit(){

f[0]=1;

for(inti=1;i<MAXN;i++){

f[i]=f[i-1]*X;

}

}

inthash(stringnum)

{

intans=0;

for(inti=0;i<num.length();++i)

ans=ans*f[i]+num[i]-'0';

returnans;

}

intconvert(stringnum,charc,intd)

{

intlen=num.length();

inth=hash(num);

return((c-num[d])*f[len-d-1]+h);

}

intmain()

{

freopen("in.in","r",stdin);

init();

cout<<hash("33")<<endl;

cout<<convert("33",'1',0);

return0;

}