#include <stdio.h>


int main(int argc, char* argv[]){

 	int len=0;
	int i =0;
	while(argv[1][i]<='9'&&argv[1][i]>='0'){
		
		len += argv[1][i]-48;
		len *= 10;
		i++;	
	}
	len /= 10;
	printf("%d\n",len);
	while(len-->0){
		putc('0',stdout);
	}
	printf("\n");

}