# include <stdio.h>
int add(int num1, int num2)
{
/*
*/
int num3, num4, num5, num6, num7;
num3 = num1 % 100;
num4 = num2/60;
if(num4>0)
{
num5 = ((num1 - num3)/100 + num4)*100;
}
num6 = num3 + (num2 - num4*60);
num7 = num6/60;
if (num7>0)
{
num5 = (num5/100 + num7)*100;
}
if ((num5/100)>23)
num5 = (num5/100 - 24)*100;
return num5+(num6-num7*60);
}
int main()
{
int num1, num2, result;
scanf("%d %d", &num1, &num2);
result = add(num1, num2);
printf("%d", result);
}