">int main(){ int hour = 0; int minute = 0; int k = 0; scanf("%d:%d %d",&hour,&minute,&k); if(minute+k%60>=60){ if((minute+k%60)%60==0) printf("%2.d:%.2d",((hour+k/60)+1)%24,0); else { printf("%.2d:%.2d",((hour+k/60)+...