#include <stdio.h>
int main(void) {
double ad, bd;
int ai, bi;
scanf("%lf %lf %d %d", &ad
, &bd
, &ai
, &bi
); printf("0.0 / 0.0 = %lf\n", ad
/ bd
); printf("0 / 0 = %d\n", ai
/ bi
); }
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