#include using namespace std; int main() { char s[255]; int nr,a,b,c,p,v[51]; cin>>nr; for(int i=0;i>s; a = (int(s[0]-'0')*10 + int(s[1]-'0')); b = (int(s[3]-'0')*10 + int(s[4]-'0')); if (s[2]!=':' or a < 0 or a >= 24 or b < 0 or b >= 60) v[i] = 0; else { c = a*100 + b; p = 2; for (int j = 0; p