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#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("pointland.in");
ofstream fout("pointland.out");
int z[1005];
int a[1005];
int b[1005];
int main()
{
    int x, y, s=0, aux, nrc=0, og=0, x10=0, t, l=0, i=1, calcul, y10=0, d, j=1, g=0, ok=0, razvan;
    char v, c;
    fin>>v;
    if(v=='1')
    {
        fin>>x;
        aux=x;
        while(aux)
        {
            nrc++;
            aux/=10;
        }
        for(i=1; i<=nrc; i++)
        {
            s=s+i;
            z[++l]=s;
        }
        for(i=1; i<=nrc; i++)
        {
            x10=x10+z[i]*(x%10);
            x=x/10;
        }
        fout<<x10;
    }
    if(v=='2')
    {
        fin>>x>>c>>y;
        aux=x;
        while(aux)
        {
            nrc++;
            aux=aux/10;
        }
        for(i=1; i<=nrc; i++)
        {
            s=s+i;
            z[i]=s;
        }
        for(i=1; i<=nrc; i++)
        {
            x10=x10+z[i]*(x%10);
            x=x/10;
        }
        nrc=0;
        aux=y;
        s=0;
        while(aux)
        {
            nrc++;
            aux=aux/10;
        }
        for(i=1; i<=nrc; i++)
        {
            s=s+i;
            a[i]=s;
        }
        for(i=1; i<=nrc; i++)
        {
            y10=y10+a[i]*y%10;
            y=y/10;
        }
        if(c=='+')
        {
            calcul=x10+y10;
        }
        if(c=='-')
        {
            calcul=x10-y10;
        }
        if(c=='*')
        {
            calcul=x10*y10;
        }
        if(c=='/')
        {
            calcul=x10/y10;
        }
        if(c=='%')
        {
            calcul=x10%y10;
        }
        s=0;
        for(i=1; i<=21470000000; i++)
        {
            s+=i;
            z[i]=s;
            if(s+i+1>calcul)
            {
                break;
            }
        }
        for(j=i; j>=1; j--)
        {
            razvan=0;
            while(z[j]<=calcul)
            {
                calcul-=z[j];
                razvan++;
            }
            b[++g]=razvan;
        }
        for(i=1; i<=g; i++)
        {
            fout<<b[i];
        }
    }

    if(v=='3')
    {
        fin>>x;
        aux=x;
        while(aux)
        {
            nrc++;
            aux/=10;
        }
        while(s+i<x)
        {
            s=s+i;
            i++;
        }
        fout<<i-1;
    }
    fin.close();
    fout.close();
    return 0;
}