problem 1061 event time.c

#include <stdio.h>
int main()
{
    int N,slot1,slot2,d1,d2,h1,h2,m1,m2,s1,s2,l,i,j,k;
    scanf("%*s %d ",&d1);
    scanf("%d %*s ",&h1);
    scanf("%d %*s",&m1);
    scanf("%d ",&s1);
    scanf("%*s %d ",&d2);
    scanf("%d %*s",&h2);
    scanf("%d %*s",&m2);
    scanf("%d",&s2);
    slot1 = s1 + (m1*60) + (h1*(60*60)) + (d1*(24*60*60));
    slot2 = s2 + (m2*60) + (h2*(60*60)) + (d2*(24*60*60));
    N = slot2 - slot1;
    l = N / 86400;
    N = N % 86400;
    i = N / 3600;
    N = N % 3600;
    j = N / 60;
    k = N % 60;

    printf("%d dia(s)\n",l);
    printf("%d hora(s)\n",i);
    printf("%d minuto(s)\n",j);
    printf("%d segundo(s)\n",k );

    return 0;
}