#include <iostream> using namespace std; /* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main(int argc, char** argv) {
int i,sum; char n[1001]; while(cin>>n) { if(n[0]=='0') break; for(sum=i=0; n[i]!='\0'; i++) { sum=sum+(n[i]-'0'); i++; if(n[i]=='\0') break; sum=sum-(n[i]-'0'); } if(sum%11==0) printf("%s is a multiple of 11.\n",n); else printf("%s is not a multiple of 11.\n",n); }