#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin>>a>>b; if(a == 0 && b == 0) { cout<<"zero o'clock"; return 0; } switch(a) { case 0:cout<<"zero ";break; case 1:cout<<"one ";break; case 2:cout<<"two ";break; case 3:cout<<"three ";break; case 4:cout<<"four ";break; case 5:cout<<"five ";break; case 6:cout<<"six ";break; case 7:cout<<"seven ";break; case 8:cout<<"eight ";break; case 9:cout<<"nine ";break; case 10:cout<<"ten ";break; case 11:cout<<"eleven ";break; case 12:cout<<"twelve ";break; case 13:cout<<"thirteen ";break; case 14:cout<<"fourteen ";break; case 15:cout<<"fifteen ";break; case 16:cout<<"sixteen ";break; case 17:cout<<"seventeen ";break; case 18:cout<<"eighteen ";break; case 19:cout<<"nineteen ";break; case 20:cout<<"twenty ";break; case 21:cout<<"twenty one ";break; case 22:cout<<"twenty two ";break; case 23:cout<<"twenty three ";break; } if(b == 0) { cout<<"o'clock"<<endl; return 0; } switch(b) { case 1:cout<<"one ";break; case 2:cout<<"two ";break; case 3:cout<<"three ";break; case 4:cout<<"four ";break; case 5:cout<<"five ";break; case 6:cout<<"six ";break; case 7:cout<<"seven ";break; case 8:cout<<"eight ";break; case 9:cout<<"nine ";break; case 10:cout<<"ten ";break; case 11:cout<<"eleven ";break; case 12:cout<<"twelve ";break; case 13:cout<<"thirteen ";break; case 14:cout<<"fourteen ";break; case 15:cout<<"fifteen ";break; case 16:cout<<"sixteen ";break; case 17:cout<<"seventeen ";break; case 18:cout<<"eighteen ";break; case 19:cout<<"nineteen ";break; case 20:cout<<"twenty ";break; case 21:cout<<"twenty one ";break; case 22:cout<<"twenty two ";break; case 23:cout<<"twenty three ";break; case 24:cout<<"twenty four ";break; case 25:cout<<"twenty five ";break; case 26:cout<<"twenty six ";break; case 27:cout<<"twenty seven ";break; case 28:cout<<"twenty eight ";break; case 29:cout<<"twenty nine ";break; case 30:cout<<"thirty ";break; case 31:cout<<"thirty one ";break; case 32:cout<<"thirty two ";break; case 33:cout<<"thirty three ";break; case 34:cout<<"thirty four ";break; case 35:cout<<"thirty five ";break; case 36:cout<<"thirty six ";break; case 37:cout<<"thirty seven ";break; case 38:cout<<"thirty eight ";break; case 39:cout<<"thirty nine ";break; case 40:cout<<"forty ";break; case 41:cout<<"forty one ";break; case 42:cout<<"forty two ";break; case 43:cout<<"forty three ";break; case 44:cout<<"forty four ";break; case 45:cout<<"forty five ";break; case 46:cout<<"forty six ";break; case 47:cout<<"forty seven ";break; case 48:cout<<"forty eight ";break; case 49:cout<<"forty nine ";break; case 50:cout<<"fifty ";break; case 51:cout<<"fifty one ";break; case 52:cout<<"fifty two ";break; case 53:cout<<"fifty three ";break; case 54:cout<<"fifty four ";break; case 55:cout<<"fifty five ";break; case 56:cout<<"fifty six ";break; case 57:cout<<"fifty seven ";break; case 58:cout<<"fifty eight ";break; case 59:cout<<"fifty nine ";break; } return 0; }