#include #include <math.h> #include #include <stdio.h> #include #include #include #include <string.h> #include using namespace std; #define LL long long const int N = 1e6 + 10; const int INF = 0x3f3f3f3f; string a; int a1[N],c1[N],lena,lenc,yu; int main() { cin >> a>>b; lena = a.size(); for(int i = 0;i < lena;i++) { a1[i]=a[i]-'0'; } for(int i =0;i <lena;i++) { c1[i]=(yu *10+a1[i])/b; yu = (yu *10 + a1[i])%b; } while(c1[lenc] == 0&&lenc<lena - 1) { lenc++; } for(int i = lenc;i < lena;i++ { cout <<c1[i]; } return 0; }