#include<iostream> #include<cstring> #include<cmath> char num_to_char(int a) { if(a>=0 && a<=9) return a+'0'; else return a+'A'-10; } using namespace std; int main(){ int temp=0,num,r,s=0; cin>>num>>r; char b[111]; if(num==0) { cout<<0; return 0; } while(num) { temp=num%r; b[s++]=num_to_char(temp); num/=r; } b[s]='/0'; for(int i=s-1;i>=0;i--) cout<<b[i]; return 0; }