#include "mbed.h"
 
BusInOut pins(p5, p10, p7);
 
int main() {
    while(1) {
        pins.output();
        pins = 0x3;
        wait(1);
        pins.input();
        wait(1);
        if(pins == 0x6) {
            printf("Hello!\n");
        }
    }
}