#include int main() { int h, m, t; scanf("%d %d",&h, &m); t = 60*h+m-45; // if (t<0) printf("23 %d",60+t); // else if (t==0) printf("0 0"); // else printf("%d %d",t/60,t%60); if (t<0) t += 1440; printf("%d %d",(t/60+24)%24,(t%60+60)%60); return 0; }