#include <algorithm> #include <iostream> using namespace std; #define N 1000000 void change(int m,long long n){ int a[N]={0},i=0; if (n==0) cout <<n; while (n){ a[i++] = n%m; n/=m; } for (int j = i-1;j>=0;j--)cout <<a[j]; cout<<endl; } int main(){ int m; long long a,b; while (cin >>m>>a >>b && m != 0){ int c[N],i,j; long long val = a+b; change(m,val); } }