0求佬调！！！！！

#include<bits/stdc++.h>
using namespace std;
int main (){
    int n;
    int m;
    int a1 = m/1000;
    int a2 = (m%100-a4)/10;
    int a3 = (m%1000-a4-m*10)/1000;
    int a4 = m%10;
    int cnt = 0;
    cin >> n;
    for(int i=0;i<n;i++){
        cin >> m;
        if(a4-a1-a2-a3 > 0){
            cnt++;
        }
    }
    cout << cnt;
    return 0;
}