1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define st first
#define nd second
#define pb push_back
#define pii pair<int,int>
#define pll pair<ll,ll>

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int x,d,h,m;
    cin>>x>>d>>h>>m;

    int wyn = 60-m + 60*(24-(h+1));
    if(x==1){
        if(d==23) wyn += 24*60;
    }
    if(x==2){
        if(d==24) wyn += 24*60;
    }
    if(x==3){
        if(d==25) wyn += 24*60;
    }
    if(x==4){
        if(d==26) wyn += 24*60;
    }
    if(x==5){
        if(d<29 || h<2)
            wyn -= 60;
        if(d==27) wyn += 24*60*2;
        if(d==28) wyn += 24*60;
    }

    cout<<wyn<<"\n";
    
    return 0;
}