#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>

int main()
{
    /* input */
    long a, b, c, d;
    scanf( "%ld %ld %ld %ld", &a, &b, &c, &d );

    /* process */
    long check = ( a - c ) * ( a - c ) - 8 * ( b - d );

    /* output */
    if ( check < 0 ) {
        printf( "No\n" );
    } else if ( check == 0 ) {
        printf( "Yes\n" );
    } else {
        double x_1 = ( - ( a - c ) / 2.0 - std::sqrt( check / 4.0 ) ) / 2;
        double x_2 = ( - ( a - c ) / 2.0 + std::sqrt( check / 4.0 ) ) / 2;
        double p = ( ( x_1 * x_1 + a * x_1 + b ) - ( x_2 * x_2 + a * x_2 + b ) ) / ( x_1 - x_2 );
        double q = ( x_1 * x_1 + a * x_1 + b ) - p * x_1;
        printf( "%.7lf %.7lf\n", p, q );
    }

    return 0;
}