······ #include<bits/stdc++.h> using namespace std; int main() { int n,a,b,c,d; cin>>n>>a>>b>>c; if(n>=(a+b+c)) { cout<<n-(a+b+c)<<" "<<"YES"; } if(n<(a+b+c)) { cout<<(a+b+c)-n<<" "<<"NO"; } return 0;· ······