#include<stdio.h>
int main ()
{
int n,i;
int A[20],B[20],D[20];
double C[20],sum[20];
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d:%d %lf %d",&A[i],&B[i],&C[i],&D[i]);
for(i=0;i<n;i++){
if(A[i]>=6&&A[i]<23){
if(C[i]<=2)
sum[i]=5;
else if(C[i]<10)
sum[i]=5+(int)((C[i]-2)/0.5);
else
sum[i]=21+(int)((C[i]-10)/0.5)*1.5;
}
else{
if(C[i]<=2)
sum[i]=6;
else
sum[i]=6+(int)((C[i]-2)/0.5)*1.5;
}
if(D[i]>5)
sum[i]+=(D[i]-5)*0.5;
printf("%d\n",(int)(sum[i]+0.5));
}
return 0;
}
