// 55
#include <stdio.h>
int main() {
int num,rem,rev=0;
while (num !=0) {
rem = num%10;
rev=rev*10+rem;
num = num/10;
}
return 0;
}
Ly8gIDU1CiNpbmNsdWRlIDxzdGRpby5oPgppbnQgbWFpbigpIHsKIGludCBudW0scmVtLHJldj0wOwoKICAgIHByaW50ZigiRW50ZXIgYSB2YWx1ZTogIik7CiAgICBzY2FuZigiJWQiLCAmbnVtKTsKICAgIHdoaWxlIChudW0gIT0wKSB7CiAgICAgICAgcmVtID0gbnVtJTEwOwogICAgICAgIHJldj1yZXYqMTArcmVtOwogICAgICAgIG51bSA9IG51bS8xMDsKfQpwcmludGYoIiVkIixyZXYpOwogICAgcmV0dXJuIDA7Cn0=