#include<bits/stdc++.h> using namespace std; char x[10001],y[10001]; int main(){ int n,lx,t,k; cin>>x>>n; lx=strlen(x); for(int i=1;i<n;i++){ t=1;k=0; for(int j=1;j<=lx;j++){ if(x[j]!=x[j-1]){ y[k]=t+'0'; y[k+1]=x[j-1]; k+=2; t=1; } else t++; } lx=k; memcpy(x,y,sizeof(y)); memset(y,0,sizeof(y)); } cout<<x; return 0; }