#include<stdio.h>
#include<windows.h>
int main(void){
int a,b;
int n,count;
if(a>0){
n=b-a;}
else{
a=-a;
n=b+a;
}
scanf("%d%d",&a,&b);
int out=a;
for(int i=0;i<n;i++){
out=a+1;
count++;
printf("%d",out);
}
if(count%5!=0)
printf("\n");
system("pause");
return 0;
}