#include<stdio.h> int main() { int i,n,l,m,ans; int h1[1000],m1[1000],h2[1000],m2[1000],k[1000]; scanf("%d",&n); for(i=0;i<n;i++){ scanf("%d",&h1[i]); scanf("%d",&m1[i]); scanf("%d",&h2[i]); scanf("%d",&m2[i]); scanf("%d",&k[i]); } for(i=0;i<n;i++){ l=k[i]*60; m=(h2[i]-h1[i])*60; ans=l-m+m1[i]-m2[i]; printf("%d\n",ans); } return 0; }