#include <stdio.h>
#include <string.h>
#include <ctype.h>

union myUnion
{
    int x;
    long double y;
};

int main()
{
    union myUnion a;
    a.y = 3.2;
    printf("%.50Lf\n", a.y);
    a.x = 5;
    printf("%.50Lf\n", a.y);
    return 0;
}