#include<iostream>
#include<cstring>
using namespace std;
int main()
{
char n[1010];int i=0,c;
//freopen("in.txt","r",stdin);
while(gets(n))
{
if(strcmp(n,"0")==0)
break;
c = n[i]-48;
while(n[++i])
{
c=(c*10 + (n[i]-48))%11;
}
if(c)
printf("%s is not a multiple of 11.\n",n);
else
printf("%s is a multiple of 11.\n",n);
i=0;
}
return(0);
}
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