提交时间:2025-10-24 15:44:42

运行 ID: 71187

#include <iostream> using namespace std; int main() { int a,b,c,d,e=0; cin>>a>>b; c=a; while(c!=0){ d=c%10; c=(c-d)/10; if(d==3){ e=e+1; } } if(a%19==0&&b==e){ cout<<"YES"; } else{ cout<<"NO"; } return 0; }