interface A{static void main(String[]a)  throws java.io.IOException {
int c=100,d=0;
	for(;c>10;){
		c=System.in.read()&0xff;
		if(c>=65){
			d=c; System.out.write(c);
		}
		else{
			for(;c>49;c--){
				System.out.write(d);
			}
		}
	}
	System.out.write(10);
}}