UVa 11650 Mirror Clock Solution

#include<stdio.h>
int main()
{
int a,b,c,d,e,j;
while(scanf("%d",&d)==1)
{
for(j=1;j<=d;j++)
{
scanf("%d:%d",&a,&b);
c=11-a;
e=60-b;
if(c==-1 && b!=0)
c=11;
if(b==0)
{c=c+1;
e=0;}
if(c<0)
c=c/(-1);
if(c==0)
c=12;
if(c>9)
printf("%d:",c);
else
printf("0%d:",c);
if(e>9)
printf("%d\n",e);
else
printf("0%d\n",e);
}
}
return 0;
}