小题解

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,m,sum=1;
    cin>>n>>m;
    while(n>=10){
        n/=10;
        sum++;
    }
    if(sum==m){
        cout<<"Yes"<<endl;
    }
    else{
        cout<<"No"<<endl;
    }
    return 0;
}