#include <stdio.h>//时间差计算器 int main () { int hour1; int minute1; int hour2; int minute2; scanf("%d %d",&hour1,&minute1); scanf("%d %d",&hour2,&minute2); int delta=abs(60*hour2-60*hour1+minute2-minute1); printf("%d时 %d分",delta/60,delta%60); }