import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner sc
= new Scanner
(System.
in); int a = sc.nextInt();
int b = sc.nextInt();
int c = sc.nextInt();
int d = b+c;
if(d>=60){
a += (int)d/60;
b = d%60;
if(a>=24){
a -= 24;
}
if(d == 60){
b=0;
a+=1;
}
}else {
b=d;
}
}
}
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