#include<string> #include<iostream> using namespace std; int main(){ string x; int S,i; //freopen("input.txt","r",stdin); while(cin>>x>>S){ while(S--){ int len=x.length(); for(i=0;i<len-1;) if(x[i]>x[i+1]){ x.erase(x.begin()+i); break; } else i++; if(i==len-1) x.erase(x.begin()+i); } cout<<x<<endl; } }