#include <stdio.h>
int main(void) {
int n = 1;
double b1 = (double)(n) / (n + 1);
double b2 = (double)(n) / (double)(n + 1);
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CiAgICAKICBpbnQgbiA9IDE7ICAgIAogIGRvdWJsZSBiMSA9IChkb3VibGUpKG4pIC8gKG4gKyAxKTsKICBkb3VibGUgYjIgPSAoZG91YmxlKShuKSAvIChkb3VibGUpKG4gKyAxKTsKICAKICBwcmludGYoIiVmICVmIiwgYjEsIGIyKTsKICAKICByZXR1cm4gMDsKfQ==