#include<iostream>

using namespace std;

int main(){

int a,b,c,d;

cin>>a>>b>>c>>d;

if(a+b>10){

	cout<<a*b;

}else{

	if(b+c>5){

		cout<<c*d;

	}else{

		if(d<10||a*c>100){

			cout<<"Yes";
		
        }else{

			cout<<"No";

		}

	}

}

}

1. a,b,c,d=map(int,input().split()) if a+b>10: print(ab) elif b+c>5: print(cd) elif d<10 or ac>100: print('Yes') elif d>=10 or ac<=100: print('No')

#include<bits/stdc++.h> using namespace std; int main() { int a,b,c,d; cin>>a>>b>>c>>d; if(a+b>10) cout<<ab; else if(b+c>5) cout<<cd; else if(d<10||a*c>100) cout<<"Yes"; else cout<<"No"; return 0; }

#include<iostream> using namespace std; int main() { int a,b,c,d,e,t; cin>>a>>b>>c>>d; e=ab; t=cd; if(a+b>10) { cout<<e; } else if(b+c>5) { cout<<t; } else if(d<10||a*c>100) { cout<<"Yes"; } else { cout<<"No"; } return 0; }