#include "stdafx.h"
#include <string>
#include <iostream>
using namespace std;
string out = "";
string in = "";
int a = 0;
char b;
bool c = true;
bool c1 = false;
bool c2 = false;
string d = "";
int main()
{
getline(cin, in);
while (true) {
b = in.at(0);
in = in.substr(1, in.length()-1);
switch (b) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
c1 = true;
c = true;
break;
default:
d+=b;
c2 = true;
c = false;
break;
}
if ((c&&c1&&c2)||(in.length()==0)) {
for (int i = a; i > 0; i--) {
out.append(d);
}
c1 = false;
c2 = false;
a = 0;
d = "";
if (in.length() == 0) {
cout << out;
//cin >> a;
return 0;
}
}
switch (b) {
case '0': a = a * 10 + 0; break;
case '1': a = a * 10 + 1; break;
case '2': a = a * 10 + 2; break;
case '3': a = a * 10 + 3; break;
case '4': a = a * 10 + 4; break;
case '5': a = a * 10 + 5; break;
case '6': a = a * 10 + 6; break;
case '7': a = a * 10 + 7; break;
case '8': a = a * 10 + 8; break;
case '9': a = a * 10 + 9; break;
}
}
return 0;
}