C语言转弯问题，Turn the corner

Question

Problem Description
Mr. West bought a new car! So he is travelling around the city.

One day he comes to a vertical corner. The street he is currently in has a width x, the street he wants to turn to has a width y. The car has a length l and a width d.

Can Mr. West go across the corner?

Input
Every line has four real numbers, x, y, l and w.
Proceed to the end of file.

Output
If he can go across the corner, print "yes". Print "no" otherwise.

Sample Input
10 6 13.5 4
10 6 14.5 4

Sample Output
yes
no

Answer 1

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#include <stdio.h>
int main(){
    double x,y,l,w;
    scanf("%lf%lf%lf%lf",&x,&y,&l,&w);
    if(x>y){
        printf("yes\n");
    }else{
        if(y-l>=d)printf("yes\n");
        else printf("no\n");
    }
}