#include <stdio.h>#include <stdlib.h>#include <string.h>int a[32];
void process(int sum,int m){ int i = 0; int j; while(sum) { a[i++] = sum % m; sum /= m; } for(j = i-1; j >= 0; j--) printf("%d",a[j]); printf("/n");}
int main(){ int m,a,b; int sum;
scanf("%d",&m); while( m != 0) { scanf("%d %d",&a,&b); sum = a+b; if(sum == 0) //!!!! printf("0/n"); else { process(sum,m); } scanf("%d",&m); } return 0;}