184888

#include<bits/stdc++.h> 
using namespace std; 
int main() { 
int n, hour = 0, min = 0, sec = 0; 
cin >> n; 
struct hdfjhsvghufdshcxhsanjudsvnvnnfdsnvfdsnvj { 
 int h; 
 int m; 
 int s; 
}shi; 
for (int i = 0; i < n; i++) { 
 cin >> shi.h >> shi.m >> shi.s; 
 hour += shi.h; 
 min += shi.m; 
 sec += shi.s; 
 if (sec >= 60) { 
  sec -= 60; 
  min++; 
 }; 
 if (min >= 60) { 
  min -= 60; 
  hour++; 
 } 
} 
printf("%dhour %dmin %dsec",hour,min,sec); 
return 0; 
}