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241.c
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241.c
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/*
Solution for the problem 241 of aceptaelreto.com
- Me quiere, no me quiere -
Copyright (C) 2017 hnko
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* limit cases: 12->0, 13->1, 5->IMPOSIBLE */
#include <stdio.h>
int main(int argc, char const *argv[])
{
int t;
scanf("%d", &t);
while(t--){
int sheets, count;
scanf("%d", &sheets);
count=0;
while(sheets>0 && sheets%3!=0){
sheets-=4;
count++;
}
if(sheets<3 && sheets!=0){
printf("IMPOSIBLE\n");
}else{
printf("%d\n", count);
}
}
return 0;
}