import java.util.*;
import java.lang.*;
import java.io.*;
class Ideone {
Scanner scn
= new Scanner
(System.
in); String input
= scn.
nextLine();
int repetitions = 0;
for (int i = 0; i < input.length(); i++) {
char c = input.charAt(i);
repetitions = 10 * repetitions + (c - '0');
} else {
for (int r = 0; r < repetitions; r++)
repetitions = 0;
}
}
}
}
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