#include<iostream> using namespace std; int a[105],n,d,v,big =-1,small = 101; double c; int main(){ cin>>n; for(int b = 1;b<=n;b++){ cin>>a[b]; } cin>>v; a[0] = v; for(int b = 0;b<=n;b++){ cout<<a[b]; } return 0; }