#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main(void)
{
char arr[255];
int i = 0;
while (scanf("%c", &arr
[i
]) != EOF
) {
i++;
}
for (i = i; i >= 0; i--)
{
}
return 0;
}
I2RlZmluZSBfQ1JUX1NFQ1VSRV9OT19XQVJOSU5HUwojaW5jbHVkZSA8c3RkaW8uaD4KCmludCBtYWluKHZvaWQpCnsKCWNoYXIgYXJyWzI1NV07CglpbnQgaSA9IDA7Cgl3aGlsZSAoc2NhbmYoIiVjIiwgJmFycltpXSkgIT0gRU9GKQoJewoJCWkrKzsKCX0KCWZvciAoaSA9IGk7IGkgPj0gMDsgaS0tKQoJewoJCXByaW50ZigiJWMiLCBhcnJbaV0pOwoJfQoJcmV0dXJuIDA7Cn0=