#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    scanf("%d %d",&a,&b);
    vector<int> v1;
    vector<int> v2;
    v1.push_back(a);
    b--;
    while(b--)
    {
        v2.clear();
        int count = 1;
        v2.push_back(v1[0]);
        for(int j=1;j<v1.size();j++)
        {
            if(v1[j] == v1[j-1]){
                count++;
            }else{
                v2.push_back(count);
                count=1;
                v2.push_back(v1[j]);
            }
        }
        v2.push_back(count);
        v1 = v2;
    }
    for(int i=0;i<v1.size();i++)
    {
        cout<<v1[i];
    }
    cout<<endl;
    return 0;
}