import java.io.*;

public class encoding {
	
	int pos;
	String s;

	public static void main(String[] args) throws Exception {
		// StreamTokenizer st = new StreamTokenizer(new FileReader(new File("encoding.in")));
		BufferedReader br = new BufferedReader(new FileReader(new File("encoding.in")));
		String line = "";
		encoding coder = new encoding();
		while((line=br.readLine())!=null) {
			System.out.println(coder.encode(line));
      }
	}

	encoding() { pos=0; s=""; }

	public String encode(String s) {
		if(s.equals("")) return "";
		String output = "";
		this.s=s;
		this.pos=0;
		while(pos < s.length()) {
			output += getNextToken();
		}
		return output;
	}

	public String getNextToken() {
		if(pos >= s.length()) return "";
		if(getSeqLength() > 1) {
			char c = s.charAt(pos);
			int l = getSeqLength();
			pos += l;
			return "" + l + "" + c;
		} else if(getSeqLength() == 1) {
			String out = "1";
			while(getSeqLength() == 1) {
				if(s.charAt(pos) != '1') {
					out += s.charAt(pos); 
				} else {
					out += "11";
				}
				pos++;
			}
			out+="1";
			return out;
		} else {
			return "";
		}
	}

	public int getSeqLength() {
		if(pos >= s.length()) return 0;
		if(pos == s.length()-1) return 1;
		return 1 + getSeqLength(s.charAt(pos), pos+1);
	}

	public int getSeqLength(char c, int p) {
		if(p>=s.length()) return 0;
		if(s.charAt(p) != c) {
			return 0;
		} else {
			if(getSeqLength(c, p+1) >= 7) return 8;
			return 1 + getSeqLength(c, p+1);
		}
	}
}