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#include <cstdio> #include <iostream> #include <cstring> #include <string> using namespace std; void printTime(int tyme) { if(tyme<10) { printf("0%d\n",tyme); } else { printf("%d\n",tyme); } } int main() { int t,hour,min; scanf("%d",&t); char s[10]; int highest = 12*60; int lowest = 0; int mirror; while(t--) { scanf("%s",s); hour = (s[0]-'0')*10; hour += (s[1]-'0'); hour%=12; min = (s[3]-'0')*10; min += (s[4]-'0'); min = hour*60+min; mirror = highest-min; hour = mirror/60; min = mirror%60; if(hour==0) { printf("12:"); printTime(min); } else if(hour<10) { printf("0%d:",hour); printTime(min); } else { printf("%d:",hour); printTime(min); } } return 0; } |