#include <stdio.h>
#include <complex.h>
int main() {
double x = 1.0;
double y = 2.0;
double complex z = x + y * I;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxjb21wbGV4Lmg+CgppbnQgbWFpbigpIHsKICAgIGRvdWJsZSB4ID0gMS4wOwogICAgZG91YmxlIHkgPSAyLjA7CiAgICBkb3VibGUgY29tcGxleCB6ID0geCArIHkgKiBJOwogICAgcHJpbnRmKCIlLjJmICUrLjJmaVxuIiwgY3JlYWwoeiksIGNpbWFnKHopKTsKfQ==