题解

#include<iostream>
using namespace std;
int main(){
    int n,x,sum=0;
    cin>>n>>x;
    for(int i=1;i<=n;i++){
        int a;
        cin>>a;
        sum+=a;
    }
    if(sum<=x){
        cout<<"YES";
    }else{
        cout<<"NO";
    }
    return 0;
}

#include<iostream>
using namespace std;
int main(){
    int n,x,sum=0,a[110];
    cin>>n>>x;
    for(int i=0;i<n;i++){
        cin>>a[i];
        sum+=a[i];
    }
    if(sum<=x){
        cout<<"YES";
    }else{
        cout<<"NO";
    }
    return 0;
}

#include<iostream>
using namespace std;
int main(){
    int n,x,sum=0;
    cin>>n>>x;
    int a[n];
    for(int i=0;i<n;i++){
        cin>>a[i];
        sum+=a[i];
    }
    if(sum>x){
        cout<<"NO";
    }else{
        cout<<"YES";
    }
    return 0;
}